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In human beings, sex is determined by
(a)Nucleic acids
(b)Egg
(c)Zygote
(d)Chromosomes

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Important Questions on Chromosomal Basis of Inheritance
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A female child receive X-chromosome from

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The ovum produced by female contains

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In sexual reproduction, a parent contributes to each of its offspring

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If three are daughters and no son in a family, then

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If a woman is having girls and again she is pregnant what is the probability of a boy this time?

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What is true in case of honey bee?

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An organism where male carries half the chromosomes present in female is:

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The percentage of crossing over will be more if
