A man receives his X chromosomes from

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4.Principles of Inheritance and Variation

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A man receives his $X$ chromosomes from

His mother only

His father only

Both his mother and father

Either his mother or his father

Solution

(a)Human male has two sex chromosomes $X$ and $Y$. $Y$ chromosome is contributed by his father that determines the masculanity, the rest $X$ chromosome is donated by his mother only.

Standard 12

Biology

What is true in case of honey bee ?

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Sex of a human child is determined by

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$(a)$ In humans, males are heterogametic and females are homogametic. Explain. Are there any examples where males are homogametic and females heterogametic ?

$(b)$ Also describe as to who determines the sex of an unborn child ? Mention whether temperature has a role in sex determination.

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Match following pair.

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In man, the composition of female destined zygote is

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A man receives his $X$ chromosomes from

Solution

Similar Questions

What is true in case of honey bee ?

Sex of a human child is determined by

$(a)$ In humans, males are heterogametic and females are homogametic. Explain. Are there any examples where males are homogametic and females heterogametic ? $(b)$ Also describe as to who determines the sex of an unborn child ? Mention whether temperature has a role in sex determination.

Match following pair.

In man, the composition of female destined zygote is

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$(a)$ In humans, males are heterogametic and females are homogametic. Explain. Are there any examples where males are homogametic and females heterogametic ?

$(b)$ Also describe as to who determines the sex of an unborn child ? Mention whether temperature has a role in sex determination.