Question

If you are studying a population a 92% exhibits the dominant phenotype, what percentage exhibits the recessive phenotype?

Answer 1

nswer:

8

%

Explanation:

Hardy-Weinberg equation states that:

p

2

+

2

p

q

+

q

2

=

1

Factoring, we get:

(

p

+

q

)

2

=

1

Letting

p

be the dominant phenotype, we get

p

=

92

%

=

0.92

.

∴

(

0.92

+

q

)

2

=

1

0.92

+

q

=

1

q

=

0.08

=

8

%