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Biology CBSE Live product
Class 10 (2025-26)
Heredity
Mendel's law and sex determination
5.
Formation of chil'd gender
Question:
2
m.
Choose the best answer:
1
.
A child will be male if the zygote inherits ________.
XX chromosomes
XZ chromosomes
XY chromosomes
YY chromosomes
2
.
In humans, which statement correctly explains the development of a female child?
It depends on the mother contributing an X chromosome
It happens when the zygote lacks sex chromosomes
It occurs only if the zygote inherits two X chromosomes (XX)
It is caused by both gametes carrying Y chromosomes.
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