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Q.

Select the correct statement from the following.

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a

Spermatogenesis in honeybees doesn't involve meiosis.

b

The genetic makeup of the ovum determines the sex of the child in humans.

c

The genetic makeup of the sperm determines the sex of the offspring in birds.

d

Male and female grasshoppers have equal number of chromosomes. 

answer is A.

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Detailed Solution

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Drones (males) of honeybees are haploid and produce sperms by mitosis

In humans, males (XY) are heterogametic, and the genetic makeup of the sperm determines the sex of the child. 

In birds, females (ZW) are heterogametic, and the genetic makeup of the ovum determines the sex of the offspring.

In grasshoppers, males (X0) have one chromosome less thanfemales (XX).

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