Answer:
the study of heredity and the variation of inherited characteristics.
Explanation:
Answer:
Genetics is the study of DNA and traits this study involves the understanding of genes and biolog.
A nebula is composed of dust and gas, but what are the elements in a nebula?
Answer:
the person above has correct
Explanation:
"Nebulae are made of dust and gases—mostly hydrogen and helium. ... Eventually, the clump of dust and gas gets so big that it collapses from its own gravity. The collapse causes the material at the center of the cloud to heat up-and this hot core is the beginning of a star."
*Ways we turn hydropower into energy we can use:
ways we can turn hydropower into energy: so one way were able to turn hydropower into energy is by using hydraulic turbines, using the turbine and mechanical energy the moving water spins a turbine and creates mechanical energy which is the converted into electricity.
The process usually takes place at hydropower plants, to tell you a bit more the falling water contains what we call kinetic energy which is what actually makes up the mechanical energy
The whole process takes place when water is released from a upper reservoir into the lower reservoir.
For her science fair project, your little sister replicated one of Mendel's experiments. From a P0 pea plant with purple flowers and a pea plant with white flowers, she got 1 purple F1 hybrid (she had forgotten to water, so just one survived). From this self-fertilized F1 she got 8 F2 offspring. 7 were purple and 1 was white, for a 7:1 ratio. Did your little sister just disprove Mendel's laws
Answer: No, the 7:1 ratio is close to the expected 6:2 ratio even with the limited sample size.
Explanation:
Let the alleles be P (purple) and W (white).
The possible crosses are
PP x WW, PP x PW, PW x WW, PW x PW
the F1 is PP or PW
one F2 is white so the F1 must be PW and
the F2 are PP, WW, PW and
the expected 8 progeny are 2PP, 2WW, 4PW
Because 7/8 are purple, we can infer that P is dominant and W recessive, so the expectation is 6 purple, 2 white
The observed ratio is similar to the expected ratio, so we can’t say that this result disproves Mendel, particularly with a small sample.
7:1 is close to 6:2, even if the sample is smaller. We cannot invalidate Mendel with such a small sample size because the observed ratio was not statistically different from the anticipated ratio.
What is Mendelian Ratio?The term "Mendelian inheritance" refers to specific patterns that can be observed in the way characteristics are passed down from parents to children. In the 19th century, the Austrian monk Gregor Mendel conducted thousands of tests with pea plants in order to develop these broad patterns. He did this in order to determine the genetic makeup of pea plants.
The frequency with which diverse phenotypes are produced as a result of any cross incorporating Mendelian traits. in particular, the three to one ratio that is displayed by the second generation of descendants from parents who are different from one another in regard to a single character.
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Why do you think the sugar beets are harvested in the Fall?
Answer:
Harvest deliveries are limited and controlled due to the warm weather and poor storage conditions.
Explanation:
GUYSSS HELPP, ILL MARK YOU BRAINLYYY
Explanation:
1 light energy
2 chemical energy
3 chemical energy
4 light energy
Answer:
1, Light energy
2, Chemical energy
3, Chemical energy
4, Light energy
Which mutation results in the production of molecules that can be used as a source of energy?
a mutation that causes bacteria to fight off antibiotics
a mutation that breaks down the sugar in milk, lactose
a mutation that changes the color of a part of a flower
Answer:
a mutation that breaks down the sugar in milk, lactose
Explanation: sugar that is broken down can be used as a source of energy
Answer:
The correct answer is B. a mutation that breaks down the sugar in milk, lactose
Scientists use zebra fish to study human genetic diseases because zebra fish and humans share many of the same genetic diseases.
Which statement describes why zebra fish experience similar genetic diseases as humans?
Answer:
The answer is: zebra fish have nucleotide sequences similar to those of humans
Explanation:
A. zebra fish have an omnivorous diet similar to that of humans (wrong)
B. zebra fish have nucleotide sequences similar to those of humans (right)
C. zebra fish go through embryonic stages similar to those of humans (wrong)
D. zebra fish produce gametes through a process that is similar to that of humans (wrong)
Why did Mendel study pea plants?
They reproduce asexually and have one trait that is easy to observe.
They reproduce asexually and have many traits that are easy to observe.
They reproduce sexually and have one trait that is easy to observe.
They reproduce sexually and have many traits that are easy to observe.
Answer:
For Gregor Mendel, pea plants were fundamental in allowing him to understand the means by which traits are inherited between parent and offspring. He chose pea plants because they were easy to grow, could be bred rapidly, and had several observable characteristics, like petal color and pea color.
Explanation:
Gregor Mendel chose the pea plants for his experiments because the garden pea is an ideal subject in the study of genetics for the following reasons: The presence of observable traits with contrasting forms. It produces many offspring in one cross. Short life cycle.
Why did Mendel choose pea plants to study?Solution: Pea plants were chosen for Mendel's experiments because they are easy to grow, have a short life period, and produce larger flowers. Pea plants are also self-pollinated.
What was the purpose of the pea plant study?Gregor Mendel describes his experiments with peas showing that heredity is transmitted in discrete units. From the earliest time, people noticed the resemblance between parents and offspring, among animals and plants as well as in human families. Gregor Johann Mendel turned the study of heredity into a science.
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What are the characteristics of air masses?
Answer:
Air masses have fairly uniform temperature and moisture content in horizontal direction (but not uniform in vertical). Air masses are characterized by their temperature and humidity properties. The properties of air masses are determined by the the underlying surface properties where they originate.
Explanation:
Do you believe that some people have the extrasensory perception (ESP)?
Why or why not?
One of the major lessons learned from the efforts to conserve green sea turtles in the Philippines is
Answer:
''if we protect the nature, the nature will protect ourselves''.
Explanation:
Major lesson that is learned from the efforts to conserve green sea turtles in the Philippines is ''if we protect the nature, the nature will protect ourselves''. green sea turtles are very important for our environment because it provides nutrients in order to grow dune vegetation such as beach grasses, which help to prevent coastal erosion and maintain the structure of dunes present on the beach.
Explain how DNA is semiconservation
which of the following is a scientific question A how many centimeters are in a meter B what is the average length of a white pen needle see C what is a good length for my pant legs D how long should I grow my hair
Why are invasive species dangerous to the environment?
A)They pollute the environment.
B)They are always predators.
C)They threaten biodiversity.
D)They bring abiotic factors.
Answer:
C
Explanation:
They threaten the other animals. They can take their food, homes, and they don't have natural predators.
Invasive species are dangerous to the environment as they threaten the biodiversity. Thus, the correct option is C.
Invasive species are those imported species that are able to thrive rapidly in another foreign area by adapting and reproducing quickly.
Invasive species of plants and animals lead to an increase in the competition for survival, which results in decrease in the population of the native species.
The invasive species also affect the food web that is existing in the particular ecosystem, because of which other all organisms which are part of the food web are affected. They outcompete the native species for food,
Thus, biodiversity is threatened due to the invasive species.
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People spray pesticides on crops to kill insects that eat and destroy the crops. However, these insects are becoming resistant to the pesticides. Explain how this could happen.
When an organism or insect develops a mechanism for the removal of the pesticide compound is known as pesticide resistance.
What is pesticide resistance?The organism or insects develop mechanisms such as the alternation of the binding site of the compound present in the pesticide leading to the development of resistance against the used pesticides. The development of resistance against the pesticide is a slow process, it takes time. The usage of pesticides becomes a failure if organisms develop resistance.
The frequent use of pesticide and insecticides cause changes in the genetic material of the organisms. They help in the development of enzymes and changes in the binding sites. These changes are passed on to the next generation of the organism, which makes the entire population resistant to the particular pesticide and insecticide.
The use of the chemicals should be monitored. Only use when required with rotation.
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Why do you think we can say there are multiple interpretations of extinct animals?
Answer:
yes there are because manu animals like dinausaurs get extinct
which statement best describes how eating regular meals help your body maintain homeostasis
Answer:
regular meals provide your body with a constant supply of energy
Explanation:
Answer:
constant supply of energy
Explanation:
What is direct characterization?
A.
when a character is described in detail by the author
B.
when a character is understood through dialogue
C.
when a character is revealed through another character’s thoughts and feelings
D.
when a character is revealed through his or her actions and appearance
Answer:
A
Explanation:
11. DDT is a pesticide that can't be broken down by organisms. If a farmer sprays
DDT on the strawberry plants above, which trophic level will contain the highest
concentration of DDT?
a. Producers
b. Herbivores
c. Second-order Consumers
d. Third-order consumers
Answer quickly plz
Can you name at least three organelles structure inside of an animal cell
What is the basic unit of in a living thing?
Answer:
l
Explanation:
Write your question here (Keep it simple and clear to get the best answer) what name iz give to the female part of the flower?
Answer:
The female part of the flower is called gynoecium or pistil
Explanation:
The female part of a flower is called the gynoecium or pistil. The pistil is located in the center of the flower and consists of three parts: the stigma, style, and ovary.
The stigma is a sticky knob-like structure located at the top of the pistil. It is covered with a sticky substance so pollen grains will stick to it. It is attached to the long, tubelike structure called the style.
The style is a long long tubelike structure which connects the stigma to the ovary. The style provides the pathway through which the pollen grains will travel to the ovary in order to fertilize the eggs or ovule
The ovary is the enlarged portion of the pistil found at the base of the pistil. It contains the eggs or ovules. After fertilization, the ovary develops into the fruit and the ovules become seeds. Based on where the ovary of a plant is located, a plant can be classified as having a superior ovary, an inferior ovary or a half-inferior ovary.
The proper function of many proteins is necessary for the proper functioning of cells.
O True
O False
Answer: True
Explanation:
The proper function of many proteins is necessary for the proper functioning of cells - True
Protein:Proteins are a class of macromolecules that perform a diverse range of functions for the cell.It helps repair and build your body's tissuesallows metabolic reactions to take place and coordinates bodily functions.In addition to providing your body with a structural frameworkproteins also maintain proper pH and fluid balanceThus, The proper function of many proteins is necessary for the proper functioning of cells - True
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Based on the weathering patterns, guess the rock type shown in each photo.
Answer:
Granite and sandstone
what is a hybrid tell me brainly if you do
Explanation:
a hybrid is a mixture of two different things resulting in something that has a little bit of both
Answer:
A hybrid is an animal or plant resulting from a cross between genetically unlike individuals,a picture is below as an example of a HYBRID
Also, a hybrid can be something changed after being created.
Hybrids can be; cars,animals and even people (nephilim).
I hope this helps
Which two scientists proposed an atomic model with a nucleas
Answer:
Thomson and Rutherford
Explanation:
Answer:
Rutherford and Bohr
Explanation:
A person who is believed to speak for god
Answer:
IM SO SORRY IF IM WRONG but i think the answer is prophets or Moses.
Explanation:
Answer:
priest
Explanation:
the reasons for this is because when you go to church the priest is the one that talks about what the Bible and talk about what god wants for us
which event takes place during dna replication
Explanation:
d. The DNA molecule "unzips" along weak hydrogen bonds
How many total sex chromosomes should a human somatic cell contain?
3
2
1
4
Answer:
they should have 46 chromosomes
Animals eat and digest food to obtain the energy available for life activities. Identify the organelle where energy from nutrients is released.
HELP ASAP
Answer:
Metabolism is the chemical reactions that take place inside a living organism. The reaction occurs in the cells. Digestion can be the best association to metabolism. The metabolic system recognizes which substances can be nutritious or poisonous. In order to complete this process, water is needed. The chemicals are dissolved in water and transported. Without water, no reaction can take place.
Metabolism is considered as the set of life-sustaining chemical reactions within the living organism’s body cells.
The presence of which of the following organelles or structures would most likely indicate that a cell is eukaryotic and NOT prokaryotic?
a. Ribosomes
b.Plasma membrane
c.Cell wall
d.Nucleus
the correct answer is nucleus since it's only present in the eukaryotic cell