1.

Bar is a gene often used in recombination study. Which of the following is true for the Bar gene?

A. It is normally present in two copies
B. Three copies of bar are called ultra bar
C. Heterozygous bar females have a less severe effect than homozygous bar female
D. Homozygous bar are of common occurrence
Answer» C. Heterozygous bar females have a less severe effect than homozygous bar female


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