231k views
3 votes
Select the correct answer.

A particular population of chickens has a frequency for the dominant allele as 0.70 and a frequency for the recessive allele as 0.30. Which expression is the correct way to calculate the frequency of individuals that are heterozygous?

A.
(0.70) × (0.30)
B.
(0.70) – (0.30)
C.
2 × (0.70) × (0.30)
D.
2 × (0.70 – 0.30)

User TimSum
by
4.8k points

2 Answers

6 votes

Answer: C.) 2 x(0.70) x (0.30)

Step-by-step explanation:

When there are two numbers wheather ressesive or dominant you will always multiply but the number of numbers you are given. Whereas in this case, the reading gives 2 numbers so you would multiply those two numbers and then by two.

User Exploit
by
4.4k points
3 votes

Answer:

the frequency of heterozygous = 2 *0.7 * 0.3

Step-by-step explanation:

therefore it is answer c

User BrainCrash
by
4.0k points