LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

GENETICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Dd letters are an example of ____
A
heterozygous genes
B
homozygous genes
C
dominant genes
D
recessive genes
Explanation: 

Detailed explanation-1: -A heterozygous genotype is a genotype that has multiple different alleles present in that gene. For example, a genotype that is “Tt” would be heterozygous, where the capital “T” could represent the trait of “tall” and the lowercase “t” could represent the trait of short.

Detailed explanation-2: -DD or Dd is regarded as heterozygous and dd is homozygous recessive. In the heterozygous and homozygous condition, the recessive gene is masked by the dominant gene and not expresses. Therefore, recessive traits are expressed only in the homozygous condition.

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