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Genetics Sex Determination - Questions and Answers

Practice questions on Genetics Sex Determination.

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1. The chromosomal arrangement in
A. 3AAXX, 3AAXY
B. 4AAXX, 4AAXY
C. 22AAXX, 22AAXY
D. 23AAXX, 23AAXY
Explanation:
2. In Bonellia, a marine worm, the male develops from a larva that
A. settles in sea water
B. attaches to the uterus of the female
C. settles in the proboscis of a female
D. secretes a chemical substance
Explanation:
3. The radio of male and female relative strength in a normal male is
A. 2 : 0.5
B. 2 : 1.0
C. 2 : 1.5
D. 2 : 2.0
Explanation:
4. In man, chromosomal condition of male is
A. 44AA + XO
B. 44AA +XY
C. 44 + XX
D. 44AA + XXY
Explanation:
5. The organism in which sex is determined by environmental factors is
A. Bonellia
B. Drosophila
C. Man
D. Crab
Explanation:
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