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प्रश्न
Choose the correct answer from the four options given below :
In a human male, a sperm will contain :
विकल्प
Both X and Y chromosomes
Only Y chromosome
Only X chromosome
Either X or Y chromosome
उत्तर
Either X or Y chromosome
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संबंधित प्रश्न
"The sex of a newborn child is a matter of chance and none of the parents may be considered responsible for it". Draw a flow chart showing determination of sex of a newborn to justify this statement.
Which combination of genes in the zygote will produce children with brown eyes?
The person A has only B chromosomes in all its gametes. On the other hand, another person C has chromosome D in half of gametes and chromosome E in the other half of gametes. When chromosomes B and D combine during fertilisation, a female zygote results. On the other hand, combination of B and E chromosomes produces a male zygote.
(a) What are chromosomes (i) B (ii) D, and (iii) E?
(b) Out of B, D and E, which two chromosomes are of the same type?
(c) Which chromosome is smaller in size?
(d) What is the general name of chromosomes such as B and E?
(e) Out of the two persons A and C, which one is (i) male, and (ii) female?
Choose the correct answer :
Human sex chromosomes are __________
What is parthenogenesis?
ZW-ZZ system of sex determination occurs in
From the following which option correctly represents the normal genetic constitution of a ovum?
The ‘X’ body of Henking was observed in ______.
The number of pairs of sex chromosomes in the zygote of a human being is ______
A trait in an organism is influenced by
