The maleness of a child is determined by
(a) the X chromosome in the zygote
(b) the Y chromosome in zygote
(c) the cytoplasm of germ cell which determines the sex
(d) sex is determined by chance

NCERT Class X
Science - Exemplar Problems

Chapter_Heredity and Evolution

2

Answers

2015-05-31T17:11:36+05:30
The y chromosome given by the father
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2015-05-31T17:14:08+05:30
(b) the Y chromosome in zygote
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