jarethh
contestada

Cystic fibrosis is an autosomal recessive disease where mucus develops in the lungs, liver and the pancreas. Which Punnet Square would have 25% of the offspring be homozygous dominant?

A)
B)
C)
D)

Cystic fibrosis is an autosomal recessive disease where mucus develops in the lungs liver and the pancreas Which Punnet Square would have 25 of the offspring be class=

Respuesta :

Answer:

A

Explanation:

B and D are incorrect because 0% of the offspring would be homozygous dominant

C is incorrect because 50% of the offspring would be homozygous dominant

that leaves A as the only correct answer which makes sense because only the first square is AA which is 25% of the whole