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son4ous [18]
2 years ago
7

In chickens, FF produces extreme frizzle (very brittle and curly feathers), Ff has mild frizzle and ff has normal feathers. An e

xtreme frizzle hen is mated with a normal
rooster.
Which of the following represents the phenotype ratio for their offspring?
•2 mild frizzle: 2 normal
•2 extreme frizzle: 2 mild frizzle
•100% mild frizzle
•3 extreme frizzle: 1 normal
Biology
1 answer:
andre [41]2 years ago
4 0

Answer:

3 extreme on normal

Explanation:

Use a punnett square to put this question into an easy to understand visual tool.

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How would chromosomes align during synapsis in an individual who is heterozygous for the translocation?
torisob [31]
<span>Homologs that are heterozygous for a reciprocal translocation undergo unorthodox synapsis during meiosis and form a cruciform, or crosslike, configuration, in which regions of homologous chromosomes pair.</span>
8 0
2 years ago
Geralda is listing all of the conditions under which natural selection occurs. So far, she has listed: 1. The environment change
fgiga [73]

Answer:  Only some of the organisms survive and reproduce.

Natural selection is a process of differential survival and reproduction in which organisms bearing favorable phenotypic traits survive in changing environmental conditions. Therefore, only some of the organisms survive and reproduce which have suitable phenotypic trait. For example a population of beetle bearing two colors red and green. The green colored beetles mimic the color of grass will remain undetected by birds and those with red color easily observed and detected by birds. Hence, only green beetles are favored for survival over red beetles.

5 0
2 years ago
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What are the similarities and differences between the organization and structure of dna in bacterial cells and in human cells?
vitfil [10]
• Predominantly multicellular not in bacteria but in human body 
<span>• Cell contains a nucleus and other membrane bound organelles not in bacteria but in human body </span>
<span>• DNA occurs in a circular form in bacteria only </span>
3 0
2 years ago
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The plants in a red-tailed hawk’s food chain produce 3 million kcal of chemical energy per day. How much energy is available to
KATRIN_1 [288]

The amount of total energy at each trophic level decreases as it moves through, so 90% is lost at each level. This means that only 10 percent of the energy at any trophic level is transferred to the next level; and the rest is lost as heat.  

In this case, if a plant ecosystem has 3000000 kilocalories (kcal) of energy, about 300000 kcal will be transferred to primary consumers (for example grass hoppers). If the red-tailed hawks are tertiary consumers, they will get 3000 kcal of energy.


5 0
2 years ago
A sample of DNA is collected from an organism. It is analyzed and determined that 20% of the DNA is made up of the base adenine.
AnnyKZ [126]

Answer:

The correct answer is -

Thymine: 20%

Guanine: 30%

Cytosine: 30%

Explanation:

According to Chargaff's rule which states that the purine residues are equal to the pyrimidines residue in DNA sample which means A+G = T+C where A is adenine, G is guanine, C is cytosine and T is thymine. It is also known that A is always equal to T and C is equal to G.

So, A+G+T+C = 100

20+20+G+C

100-40 = G+C

60= G+C

as we know G is equal to C similarly A is equal to T

Thus, G = C= 30%

    A= T= 20%

7 0
1 year ago
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