Help me with this please!!
Black fur colour is controlled by a dominant allele, B, and brown fur color by it's recessive allele, b. This characteristic is NOT sex linked. Give the genotypes of the parents and offspring of a cross between a black male and a brown female that produces 1/2 black offspring and 1/2 brown offspring.
Show all steps in working of this problem.
Answers
Answer:
What are specialized cells
Bb and bb the genotypes of the parents and offspring of a cross between a black male and a brown female produce 1/2 black offspring and 1/2 brown offspring.
What is the dominant allele?The connection between two genetic variants is referred to as dominant. Each gene has two alleles that an individual inherits from each parent. One allele of a gene, known as the dominant gene, will be expressed if the alleles are different. The impact of the other allele, known as the recessive one, is concealed.
The Cross between parents is Bb x bb
Gametes- B and b
Offsprings- Bb, Bb, bb, bb
The crossing analysis is attached in the image below.
A person needs two copies of a recessive allele, one from each parent, in order for it to result in a recessive phenotype.
Therefore, Bb and bb the genotypes of the parents and offspring of a cross between a black male and a brown female produce 1/2 black offspring and 1/2 brown offspring.
Learn more about the allele, here:
https://brainly.com/question/3591663
#SPJ2
Related Questions
DNA ___________ is important because it ensures that when a cell divides, the two resulting cells have the same genetic code. Pleaseee help
Answers
Answer: Replication
Explanation: When the cell is preparing to divide it will replicate its DNA so that both of the daughter cells will have a complete set of the DNA. It's like a book of instructions and the cell has to perfectly replicate it so that when it splits into two both of the new cells will have a perfectly made copy of it! Hope this helps :)
In an ecosystem, a deer consumes grass. What percentage of energy will the deer acquire from the grass? 0. 1% 1% 10% 100%.
Answers
In an ecosystem, the energy is transferred between the organisms participating in the food webs from producers and consumers.
The percentage of energy transferred to the deer after feeding on the grass is 10%.
The 10% law of the energy states that:
1. The food chain at each trophic level passes or transmits only 10% of the energy and 90% of the energy is lost as heat.
2. The amount of energy at each trophic level decreases, such that the producers if consuming the 100 J of energy, the deers or primary consumers at the first trophic level will have only 10% of the energy.
Thus, the deer will possess only 10% of the energy at each trophic level, following the 10% law.
The correct answer is Option C.
To know more about 10% law, refer to the following link:
https://brainly.com/question/1367643?referrer=searchResults
HELPP!!! BRAINLIEST OF CORRECT!!!
How can increased genetic variation help some offspring to survive?
Answers
differences between the structure of the wall of the stomach and the structure of the wall of the ileum
Answers
Answer:
Wall of stomach : it has three layers of muscle instead of two. Under these muscle layers is the adventitia, layers of connective tissue continuous with the omenta. The epithelium of the stomach forms deep pits, called fundic or oxyntic glands.
wall of ileum : The wall itself is made up of folds, each of which has many tiny finger-like projections known as villi on its surface. The ileum has an extremely large surface area both for the adsorption of enzyme molecules and for the absorption of products of digestion.
In the area illustrated, what process is evident over time?
Answers
In the area illustrated in the image attached, the biological process which is evident over time is: ecological succession.
Ecology can be defined as the scientific study of the relationship existing between living organisms such as plants and animals with respect to their physical and biological environment (abiotic factor).
In Ecology, ecological succession refers to a process through which the structure of an ecological (biological) community evolves or changes over time.
Generally, there are three (3) main types of ecological succession and these include:
Primary successionSecondary successionCyclic successionFrom the ecological (biological) community illustrated in the image attached, we can deduce that there is an evolution (change) in the species of plants growing over time. This ranges from weeds during the first visit to pine and oak trees during the seventh visit.
Read more on ecological succession here: https://brainly.com/question/5187022
How would this impact the organism?
Answers
Answer:
how would what impact the organism?
what do you waste the most of and how could you repurpose it into something that is beneficial?
Answers
Answer:I dont know
Explanation:
You see, the explanation of me not knowing is that my brain cells have died over the years and i do not know what to do with my life:)
proteins are responsibe for
A.) insulating the body
B.) Maintaining the structure of cells and tissue
C.) Storing energy from unused glucose molecules
D.) Holding the blueprints that code for all the cell's activities
Answers
Answer:
B.
Explanation:
Answer:
its a.
Explanation:
im learned protiens in biology like 4 weeks ago.
Under which conditions would air hold less water vapor than it holds at 30°C
(86°F) with sunny skies?
A. 34°C (94°F) with cloudy skies
B. 30°C (86°F) with cloudy skies
C. 22°C (86°F) with sunny skies
D. 32°C (90°F) with sunny skies
Answers
Answer:
B
Explanation:
jus CS its right
The relative humidity of the air affects how much water vapor it can hold. 30°C (86°F) with cloudy skies would air hold less water vapor than it holds at 30°C (86°F) with sunny skies. So, the correct option is B.
What is Relative humidity?Relative humidity (RH) measures the amount of moisture in the air compared to the maximum amount of moisture in the air at a given temperature and pressure. It is a standard figure for describing the moisture content of the air and is expressed as a percentage.
At a given temperature and pressure, air is considered to have 100% relative humidity when it contains all the moisture it can hold. The temperature at which the moisture in the air begins to condense into droplets is known as the dew point.
Therefore, the correct option is B.
Learn more about Relative humidity, here:
https://brainly.com/question/22069910
#SPJ2
how is the energy in food used in our body
Answers
Answer:
The human body uses the energy released by respiration for a wide range of purposes: about 20% of the energy is used for brain metabolism, and much of the rest is used for the basal metabolic requirements of other organs and tissues.
what is the main function of the mitochondria in a plant cell?
Answers
Answer:
Produce energy for the cell.
Explanation:
Help me please!!!!! ASAP!!!
Answers
Answer:
Noncyclic photophosphorylation (top) and cyclic photophosphorylation (bottom). These processes are better known as light reactions.
Glycolysis produces 2 ATP molecules, and the Krebs cycle produces 2 more. Electron transport from the molecules of NADH and FADH2 made from glycolysis, the transformation of pyruvate, and the Krebs cycle creates as many as 32 more ATP molecules.
I'm not sure if that'll help you, but yuhhh!
Can somebody help me with my phycology
Answers
Which nitrogenous base is NOT found in RNA?
1 Adenine
2 Cytosine
3 Guanine
4 Thymine
5 Uracil
Answers
Uracil is a nitrogenous base found in all RNA but not present in DNA. There are multiple unusual modified bases found in tRNAs not found in DNA as well: Dihydrouridine, Pseudouridine, 1-methyl adenosine, N2,N2-dimethylguanosine, inosine, and 1-methyl-inosine. There are other nitrogenous bases that are metabolic intermediates that are not found in nucleic acids such as inosine (also in tarna), hypoxanthine, xanthine, dihydroorotate, orotate, and the purine break down product uric acid.
love ur pfp btw!
What evidence does the cladogram provide
Answers
Question 8 of 10
The molecules that make up food contain energy. How does the human body
get energy from the food molecules?
A. By adding energy to the molecules
B. By breaking and reforming chemical bonds in the molecules
C. By using them to form ionic bonds
D. By combining the molecules together
Answers
Answer: B.) By breaking and reforming chemical bonds in the molecules.
Explanation:
How does your body respond to a decrease in blood glucose
Answers
Answer:
When blood sugar drops too low, the level of insulin declines and and other cells in the pancreas release glucagon, which causes the liver to turn stored glycogen back into glucose and release it into the blood. This brings blood sugar levels back up to normal
what is the relationship between the photosystems and the calvin cycle
Answers
I hop this helps! :)
what experiments led to the discovery of dna as the hereditary material?
Answers
Answer:
In the 1920s, Frederick Griffith He was studying two different strains of a bacterium, called R (rough) strain and S (smooth) strain. He injected the two strains into mice. The S strain killed (virulent) the mice, but the R strain did not (non-virulent). Griffith also injected mice with S-strain bacteria that had been killed by heat. As expected, the killed bacteria did not harm the mice. However, when the dead S-strain bacteria were mixed with live R-strain bacteria and injected, the mice died.
Explanation:
Cortical nephrons have their corpuscles near the _________ edge of the cortex and are the ______ common type of nephron.
Answers
Answer: the first is Peripheral and the second blank is more
Menstrual cycle has four major phases; menstrual phase, follicular phase, ovulation phase and pregnancy phase true or false?
Answers
Answer:
False
Explanation:
The four phases of the menstrual cycle are menstruation, the follicular phase, ovulation and the luteal phase.
function of nucleus, mitochondria ,endoplasmic reticulum, vacuoles
Answers
Answer:
nucleus...controls all the activities of the cell and carrries the genes
mitochondria..site for respiration that yields energy for the cell
endoplasmic reticulum... protein synthesis and lipids metabolism
vacuoles.... handle waste products and are responsible for regulation of osmotic pressure of a cell also
Explanation:
is this helpful?
Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions.
A vacuole is a membrane-bound cell organelle. In animal cells, vacuoles are generally small and help sequester waste products.
The endoplasmic reticulum can either be smooth or rough, and in general its function is to produce proteins for the rest of the cell to function.
Hope this helps!!
(It’s a big paragraph to know it but you will understand)
In Mendel's experiments with pea plants, the allele for tall pea plants was dominant and the allele for short pea plants was recessive. When did Mendel see short pea plants?
A. when the plants had two dominant alleles for height
B. when the dominant allele for tall plants was not present
C. when the plants had both a dominant allele and a recessive allele
D. when the pea plants produced yellow seeds
PLS HELP!
Answers
Answer:
B
Explanation:
if the reccesive trait is what you want then you cannot have any dominant alleles present
What is the term used to describe when a molecule moves into the cell through a
transport protein but does not require energy to do so?
a) facilitated diffusion
b) osmosis
c) active transport
d) filtration
What’s the correct answer
Answers
why is biodiversity in a certain environment important?
pag tama ung answer i brainliest you
Answers
Answer:
That's right. You have listed important determinants and features of biodiversity.
Explanation:
Pa fallow po pls.
18.
Which of the following organisms are
producers?
A. humans
B. bears
C. trees
D. fungi
19.
Answers
I hope this helps
Answer:
Trees
Explanation:
Trees are the only thing on the list that does nothing but help the environment/produce. Its not fungi because fungi is literal harmful bacteria that molded.
Explain how homologous structures are used as a source of evidence to infer evolutionary relationships between modern and fossil organisms
Answers
Answer:
Homologous structures provide evidence for common ancestry, while analogous structures show that similar selective pressures can produce similar adaptations.
Explanation:
Analogous structures demonstrate that identical selective pressures might result in similar adaptations, whereas homologous structures indicate evidence for shared ancestry.
What are analogous structures?In contrast to homologous structures, analogous structures are characteristics of different species that have evolved in response to a similar environmental challenge and are similar in function but not necessarily in structure.
While comparable structures demonstrate that similar selective pressures can result in similar adaptations, homologous structures suggest that they have a common ancestor (beneficial features).
Therefore, homologous structures provide evidence for common ancestry, while analogous structures show that similar selective pressures can produce similar adaptations.
To learn more about analogous structures, refer to the link:
https://brainly.com/question/2403481
#SPJ6
Where do humans get the majority of their carbon from? (think biomolecules)
Answers
Answer:
Carbon is the most important element to living things because it can form many different kinds of bonds and form essential compounds.
Explanation:
like this plz <3
why are there political battles over the budget
Answers
exchange of gases in the human breathing system takes place in the?
Answers
alveoli
ExplanationDuring gas exchange oxygen moves from the lungs to the bloodstream. ... This happens in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.
The exchange of gases takes place in the alveoli.
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
Additional information :- Alveoli are microscopic air sacs. They are the primary sites of exchange of gases. Gas exchange also occurs in lungs and tissues by diffusion.Atmospheric air contains little CO2, but blood flowing in pulmonary capillaries has a higher concentration of CO2.CO2 diffuses from higher concentration in blood across walls of alveolar capillaries to lower concentration in air in alveoli.Blood coming into pulmonary capillaries is oxygen poor and alveolar air is oxygen rich.Oxygen diffuses from higher concentration in alveoli across walls of alveolar capillaries to lower concentration in blood.▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
Hope it's helps !!