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Inessa [10]
3 years ago
10

What is the answer, help me!

Biology
1 answer:
Crazy boy [7]3 years ago
5 0

<em>Answer:</em>

<em>4. They blow faster</em>

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1. In a population of 200 field mice, 98 mice are homozygous dominant for brown fur (FF), 84 mice are heterozygous (Ff), and 18
iVinArrow [24]
A.
The genotype frequencies can be determined by dividing the number of individuals with a genotype by the total number all the individuals. 
FF genotype frequency:
98÷200=0,49. There are approximately 5 <span>homozygous dominant mice in 10.
Ff genotype frequency:
84</span>÷200=0,42. There are approximately 4 <span>heterozygous mice in 10.
ff genotype frequency:
18</span>÷200=0,09. There are approximately 1 <span>homozygous recessive mouse in 10.

B.
To determine the frequency of an allele we can divide the number of times that the allele appears by the total number of alleles.
F allele frequency:
</span>\frac{(98*2)+84}{400}<span>=0.7
There are 7 F alleles in 10 random alleles.
f </span>allele frequency:
\frac{84+(18*2)}{400}=0.3
There are 3 f alleles in 10 random alleles.<span>
</span>
6 0
3 years ago
What is the flow of molecules in active transport?
professor190 [17]
Active transport is the movement of dissolved molecules into or out of a cell through the cell membrane, from a region of lower concentration to a region of higher concentration. The particles move against the concentration gradient , using energy released during respiration .
6 0
3 years ago
Explain chargaff’s rule for base- pairing ( pls help due right now lol ) ( ◠‿◠ )
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Answer:

Chargaff's rules state that DNA from any species of any organism should have a 1:1 stoichiometric ratio of purine and pyrimidine bases, that the amount of guanine should be equal to cytosine and the amount of adenine should be equal to thymine.

6 0
3 years ago
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How is control of a disease such as the bubonic plague complicated by the fact that it spreads across multiple animal species?
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How is controlling wide spread/contagious diseases made difficult by the fact that it spreads through multiple species of animals?

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5 0
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Which type of variable depends on the controlled variables?
Romashka [77]

Answer:

b

Explanation:

because of the law of cause and effect change a small part of a structure change the whole thing

8 0
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