Biology
Medium
Question
Tjio and Levan’s contribution is very significant because they __________ ?
A
Identified barr bodies
B
Detected sex linkage
C
Pointed out mutational changes
D
Gave the number of human chromosomes
✓ Official correct answer
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A
Identified barr bodies
No member explanations yet for this option.
B
Detected sex linkage
No member explanations yet for this option.
C
Pointed out mutational changes
No member explanations yet for this option.
D
Gave the number of human chromosomes
No member explanations yet for this option.