Why do offspring produced sexually look similar to their
parents but not identical?

Answers

Answer 1

Answer:

In the process of sexual reproduction, haploid gametes produced by the meiotic division fuses to form a diploid zygote. A child inherits half of the genetic material from each parent. So, it may be they look alike but they are not identical to their parents.

Explanation:

I'm not an expert tho so if I'm wrong then dang

Answer 2

Answer:

Combination of the parents genetics

Explanation:

Every human being has 23 chromosome pairs (not regarding the chromosome pair for the gender). This mean that a human being has 23 chromosomes from their father and 23 chromosomes from their mother and by having those chromosomes in pairs the individual can have both the genetics of the parents and therefore have a mixture of both!


Related Questions

Within a given population of 4000 Vampire bats in Africa, the dominant allele frequency for long ear hairs is .2. What is the frequency of heterozygous bats within the population?

Answers

Based on the data provided, the frequency of heterozygous bats within the population is 0.32

What is the allele frequency?

Allele frequency can be defined as the frequency in which a given allele for a gene occurs in a population.

Allele are alternate copies of a gene.

Alleles can be either dominant, recessive or co-dominant.

The allele frequency is given by the Hardy-Weinberg equilibrium equation given below:

p^{2} + 2pq + q^{2} = 1p + q = 1

For the vampire bats:

p = 0.2

then; q = 0.8

p^{2} = 0.04

q^{2} = 0.64

The frequency of heterozygous bats within the population = 2pq

2pq = 1 - (0.04 + 0.64)

2pq = 0.32

Therefore, the frequency of heterozygous bats within the population is 0.32

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A group of students is setting up a test to see whether earthworms like those shown in the photo prefer rough or smooth surface which type of investigation is the group A group of students is setting up a test to see whether earthworms like those shown in the photo prefer rough or smooth surface which type of investigation is the group doing

Answers

Answer:

There is no attached photo in this question, however, the question can still be answered. The question also lacks options; they are

A.Comparative B. Descriptive. C. Controlled. D. Experimental

The answer is D. Experimental investigation

Explanation:

There are three types of investigations in science namely: descriptive, comparative, and experimental investigations. Experimental investigations are those investigations that has to do with the testing of how one variable affects another.

In an experimental investigation, a variable called INDEPENDENT VARIABLE is changed to effect a response in another variable called DEPENDENT VARIABLE. In this question, a group of students is testing to see if earthworms prefer rough or smooth surface. Hence, they are testing to see how texture of a surface (rough or smooth), which is the independent variable affects the preference of earthworm. Hence, it is an EXPERIMENTAL VARIABLE.

Answer:

The answer is Comparative

What is a protist that can be found in the Gobi Desert

Answers

Answer:

The presence of mineralised fungal or saprolegnia mycelia in the Gobi bones significantly enhances our understanding of the burial environment, which, based on the physicochemical conditions required for the precipitation of mineral phases, must have changed from semi-dry during the first ferromanganese stage

why are antibiotics unhelpful for treating the common cold?

Answers

Answer:

Because antibiotics only fight bacteria, and not viruses, they're usually ineffective against colds. Sometimes a cold may lead to a bacterial infection, though. In that case, antibiotics would have a benefit if they were able to prevent that kind of infection

Explanation:

Brainliest pls :3

Answer: They are unhelpful for treating cold Because antibiotics only fight bacteria, and not viruses, they're usually ineffective against colds. Sometimes a cold may lead to a bacterial infection, though. In that case, antibiotics would have a benefit if they were able to prevent that kind of infection.

Which is NOT a
benefit of
biodiversity?
A. climate change
B. control of pests
C. clean air and water
D. control of soil erosion

Answers

Answer:

C. clean air and water

Explanation:

The reason why this is NOT a benefit of biodiversity is because Plants and Animals really like to mess things up, you know, they really just don't care about what they're destroying, so if there  is a crocodile in the water, then it won't care about just playing with some mud, that's why, they make the water dirty, specially while attacking land animals that come to drink the water. Another thing is that they can just p.o.o.p which will not make anything better.

so hence, your answer is C. Clean air and water

Thanks!

Mark me brainliest!

Control of pest is not a benefit of Biodiversity. So, the correct option is B.

What is Biodiversity?

Biodiversity is defined as the variety of life we ​​would find in an area the diversity of microorganisms such as animals, plants, fungi, and bacteria that make up our natural world. Each of these species and organisms work together in an intricate web-like ecosystem to maintain balance and support life.

Biodiversity or biological diversity is described as the variety and variability of life on Earth as a measure of variation at the genetic, species and ecosystem levels. At the highest level, one can look at all the different species on the entire.

Thus, control of pest is not a benefit of Biodiversity. So, the correct option is B.

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What is the molecule below called, and what are the numbered parts?

Answers

Answer:b

Explanation:

Because amino acids are to small

List two characteristics of igneous rocks that make them good
building materials.

Answers

Answer:
Two qualities that make igneous rocks useful for tools and building materials are hardness& dence, but it's also durable

Hope my answer helps :)

BEEN STUCK ON THIS FOR 2 WEEKS!!
HELP ME PLEASE!


Discuss five reasons why the death rate began to fall after the arrival of the Industrial Revolution. Be as specific as possible in your answer.

Answers

Answer:

1. There is improved medical knowledge which makes people live longer with better medicines.

2. Better standard of living. The middle-class was increasing and people moved to cities. Fewer people starved and more access to technologies.

3. New technologies. Better farm equipment led to more food being produced. With more food, people could live longer.

4. Improved sewer systems/sanitation. Back then people threw their wastes out on the streets. This caused diseases and many children can not make it to adulthood.

5.A better understanding of science and other subjects.  Scientists developed vaccines and antibiotics to fight diseases and improve human health.

What is mucus and why is it important in the respiratory system?.

Answers

Answer:

Mucus is a protective substance that's excreted from multiple areas of the body, such as the mouth, sinuses, throat, lungs, stomach, and intestines

Explanation:

Goblet cells produce mucus which traps dust, dirt and bacteria to prevent them entering the lungs. The major function of mucus is to protect the lung through mucociliary clearance against foreign particles and chemicals entering the lung.

in the diagram below, the circles labeled canis represent all members of the genus canis, and the circles labeled familiaris represent all members of the species familiaris. which arrangement of circles best illustrates the relationship between the genus species of canis familiaris, the domestic dog

Answers

Answer:

The answer is option one or two. I'm struggling with this question too.

Explanation:

Which picture below shows an atom with 4 valence electrons?
A
Be
ОА
ОВ
o o o o
OD

Answers

The picture that shows an atom with 4 valence electrons is that of Beryllium (option B).

What are valence electrons?

Valence electrons are any of the electrons in the outermost shell of an atom that is capable of forming bonds with other atoms.

The valence electrons of an atom are found in the outermost shell of the atom's electronic configuration.

According to this question, four images are displayed above. Beryllium is the element that shows that it contains four valence electrons in its electronic configuration.

Therefore, the picture that shows an atom with 4 valence electrons is that of Beryllium.

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what cellular mechanisms allow human body cells to maintain these concentrations ?

Answers

Answer:


Active transport: movement against a gradient To move substances against a concentration or electrochemical gradient, a cell must use energy. Active transport mechanisms do just this, expending energy (often in the form of ATP) to maintain the proper concentrations of ions and molecules in living cells.

Without photosynthesis life as we know it would not exist on Earth.

True or False

Answers

Answer:

True

Explanation:

If photosynthesis ceased, there would soon be little food or other organic matter on Earth, most organisms would disappear, and Earth's atmosphere would eventually become nearly devoid of gaseous oxygen.

I will mark brainiest

Answers

Answer:

i would say solar energy

How might the mimicry of one species by another aid in the survival of the mimic?

Answers

Answer: Typically, the eit is called mimicry when the mimic imitates a phenotype of a model which can be dangerous for a predator. For the mimic, mimicry has a pos- itive eect on the chance of survival.

Explanation: Because it gets confused.

Answer:

Both creatures will thrive.

Explanation:

Take the cheetah cub and honey badger for example. Cheetah cubs have a white stripe on the back to look like a honey badger which are very aggressive! This way, predators of cheetah cubs wont mess with them because they dont want to disturb a honey badger.

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Question 4
It is unhealthy to eat food containing microorganisms (microscopic living things)

Answers

Answer:

Yes and No.

Explanation:

There are those good bacteria like Lactobacillus in the drink Yakult that could even help improve digestion and build immunity. However, consumption of 'bad bacteria' or toxins like Salmonella can cause food poisoning.

What IS brain-freeze?

Answers

Question:- What is Brain Freeze ?

Answer:-

It is a severe pain for a short period of time in the brain due to sudden decrease in temperature of the mouth upper part .

The upper part of the mouth contain the capillary of the sinuses with got stimulate by a cold food or air which results in vasoconstriction .

For stopping the pain we just need to warm the capillaries which causes the vasodilation which in returns stops the pain

Another Reason For Brain Freeze:-

Sphenopalatine ganglioneuralgia nerves ( SPG) also the nerves near the trigeminal nerves in the brain . This nerves carry impulse form the nose to the brain . These nerves are highly sensitive to pain , temperature,etc so there r basically to prevent brain from pain , temperature etc .

In result from the stimulus the brain starts a severe pain which we called the brain freeze .

The sun shining on a tidal pool during a hot day heats the water. As some water evaporates, the pool becomes saltier, causing.

Answers

As water evaporates off salt water, the water gets saltier, and dissolved oxygen in the water reduces.

Dissolved oxygen and solute concentration

There is an inverse relationship between the dissolved oxygen in water and the concentration of solute.

Thus, as water evaporates off the tidal pool, available free oxygen decreases accordingly just as the water becomes more salty.

In other words, the more water in a solution, the more free oxygen, and vice versa.

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Dr. Smith performed an experiment to test how the temperature in which tulips are kept affects their growth. To do this, she planted groups of young tulip plants in four different areas and kept each environment at a different temperature. These temperatures were 10°C, 15°C, 20°C, and 25°C. After a month, Dr. Smith determined the average growth of the plants in each group. Dr. Smith's experiment showed that the tulip plants grew the most at 20°C and grew the least at 15°C. They didn't grow at all at 10°C. Use the drop-down menus in the table to select the values most likely recorded by Dr. Smith. Each value will be used only once. Temperature Average Growth 10°C 15°C 20°C 25°C

Answers

Temperature

Average Growth

10°C  

0 cm

15°C  

0.6 cm

20°C  

1.4 cm

25°C

1.2 cm

Dr. Smith's experiment showed that the tulip plants grew the most at 20°C and grew the least at 15°C is the Temperature Average Growth 10°C 15°C 20°C 25°C is 0 cm and 0.6 cm.

What are the temperature?

Temperature is the degree of hotness or coldness expressed in phrases of any of numerous scales, which include Fahrenheit and Celsius. Temperature shows the route wherein warmness power will spontaneously flow—i.e., from a warmer body (one at a better temperature) to a chillier body (one at a decrease temperature).

10 C- 0 cm

15 C- 0.6 cm

20 C- 1.4 cm

25 C- 1.2 cm.

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Plants must take in carbon dioxide from the atmosphere in order to undertake photosynthesis. Which process contributes to the availability of carbon dioxide in the atmosphere?
A. Exhalation of air from an animal
B. Evaporation of water from a lake
C. Dissolution of nitrogen in the soil
D. Condensation of moisture in the air

Answers

respiration can continue the process of corbon dioxiod..

Offspring inherit _________________; if one or both parents passes on a gene with DNA that does not code for functional proteins, disorders like phenylketonuria can result. Multiple choice question.

Answers

Answer:

One Copy

Explanation:

Inflammatory responses typically include increased activity of phagocytes in an inflamed area.
inhibiting the release of white blood cells from bone marrow.
release of substances to decrease the blood supply to an inflamed area.
reduced permeability of blood vessels to conserve plasma.
clotting proteins migrating away from the site of infection.

Answers

Macrophages are cells from the immune system that recognize and eliminate strange elements. Option A. Inflammatory responses typically include increased activity of phagocytes in an inflamed area.

What is macrophages function?

Macrophages are one type of white globules involved in the organism's defense against strange substances and pathogen agents. They are the principal actors in the immune response.

Macrophages recognize different strange molecules that penetrate the organism (bacterias, parasites, and viruses), phagocyte and eliminate them. This process known as phagocytosis.

When macrophages are activated, they release cytokines that favor inflammation response, neutralizing the pathogen agent and removing damaged tissue from the affected area.

Together with inflammation, there is a change in blood flow, increasing the permeability of blood vessels, and enhacing the migration of fluid, proteins, and other immune cells to the affected area.

The correct option is A. Inflammatory responses typically include the increased activity of phagocytes in an inflamed area.

You will learn more about phagocytes at

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what is development region?​

Answers

Development region is a designation for a territorial entity.

Development region is a designation for a territorial entity. It is used for: Development regions of Romania Development regions of Nepal

Assess the effect of the introduction of a nonnative species of tree on the biodiversity of a
forest.

Answers

Explanation:

Invasive species cause harm to wildlife in many ways. When a new and aggressive species is introduced into an ecosystem, it may not have any natural predators or controls. ... Invasive species can change the food web in an ecosystem by destroying or replacing native food sources.

What concentration gradient powers ATP synthase?

Answers

Answer:

During electron transport, the participating protein complexes push protons from the matrix out to the inter membrane space. This creates a concentration gradient of protons that another protein complex, called ATP synthase, uses to power synthesis of the energy carrier molecule ATP (Figure 2).

why are me and my twin brother twins
please answer this we are now questioning our existence

Answers

Because y’all were both born on the same day lol
Cuz you were once one cell and then split and became two :D

what is responsible for the differences that can be seen between one organism and another of the same species.
A. genes
B. environmental factors
C. age of the organism

Answers

Answer: The answer is A - Genes.

Choose any one of the consumer services companies and write an essay of about 500 words on how a diverse economy such as the United States can satisfy the needs of its consumers. Consider different cultures and languages, services offered to lower socioeconomic populations, or services offered to disabled consumers or women.

Answers

The housing sector suffered greatly during the crisis and for several years afterward. Businesses in the industry went bankrupt due to a lack of demand for their services. Fortunately, since housing demand has gradually improved and consumer earnings have increased, demand for home services has also returned. In the five years to 2013, the Landscaping Services industry is expected to grow at an annualized rate of 1.3 percent to $70.6 billion. Operators in this field are currently profiting at a rate of 6.0 percent, with a bright future ahead of them. The construction industry's predicted increase of 5.9% over the next five years will be supported by continued recovery in the building sector and in consumers' wallets.

A human hair cell is unable to transcribe the DNA sequence coding for black hair color. What is one possible effect on the hair produced by this cell?

Answers

Answer:

The hair produced by the cell will not have the BLACK COLORATION

Explanation:

In the process of gene expression, a gene, which is the segment of DNA that encodes useful products, is transcribed into a mRNA molecule. The mRNA is then translated into a protein, which is responsible for the observed traits or characteristics.

In this case, a human hair cell is unable to transcribe the DNA sequence (gene) coding for black hair color (trait). This means that the gene that encodes hair color protein cannot be transcibed, hence, the protein will not be produced in that cell.

If the protein responsible for black hair color is not produced in a cell, the hair produced by such a cell will not be BLACK.

If a human with a chromosome number of 46 undergoes each process what number of chromosomes will be in each daughter cell?

Answers

Answer:

23 chromosomes

Explanation:

you just have to divide the original number by 2.

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