Single Answer MCQ
Q-00019416
If a trait is recessive, when will it be expressed in the phenotype?
1
When homozygous dominant
2
When homozygous recessive
3
When heterozygous
4
It cannot be expressed
Answer and Solution
Answer
B. When homozygous recessive
Solution:
A recessive trait will only be expressed in the phenotype when the organism is homozygous recessive (aa). If it is heterozygous (Aa), the dominant trait will be expressed instead.
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