Principle of Inheritance and VariationEasyBloom L3
Question
Gynandromorphs are animals having
Options
A.same sex in all cells of the body
B.different sexes in all cells of the body
C.same sex in different cells of the body
D.different sexes in different cells of the body
Solution
Sol.(d) [Key Concept: Gynandromorphs — Mosaic Sex Expression] Gynandromorphs are animals having DIFFERENT SEXES in DIFFERENT CELLS of the body. They are genetic mosaics where some body cells are genetically male (XY or XO) and others are genetically female (XX). They arise from a loss of one X chromosome during early embryonic cell division (in XX→XO). One half of the body may develop as male and the other as female. Classic examples are seen in Drosophila and Lepidoptera (butterflies/moths).
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