Question:
Structures present in a cell which is responsible for determination of the sex of a baby is
(a) cytoplasm
(b) cell membrane
(c) nucleus
(d) chromosome
Solution:
(d) The sex of a baby is determined by the type of sex chromosomes present in the fertilised egg from which the baby develops. There are two types
of sex chromosomes-X and Y.
A female has only two X-chromosomes, i.e. XX, whereas a male has one X and one Y-chromosome, i.e. XY combination.
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