Question Detail

BIO 101 BIO 101 Past Questions Objective Question

Question

What altered phenotypic ratio is characteristically observed in surviving offspring when crossing two carriers of a recessive lethal allele?
Options
A 3:1
B 1:2:1
C 2:1
Correct Answer
D 9:7
Correct Answer

Option C is the correct answer.

Detailed Explanation

Homozygous recessive lethality causes embryonic loss, shifting the surviving ratio to 2:1.

Hint

No hint available

Question Info