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प्रश्न
Which pair of sex chromosome will determine a male?
विकल्प
XO
XX
XY
YY
उत्तर
XY
Explanation:
Women have a perfect pair of sex chromosomes, both called X. But men have a mismatched pair in which one is a normal-sized X while the other is a short one called Y. So women are XX, while men are XY.
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संबंधित प्रश्न
Answer the following questions related to sex determination in human beings:
i. What is sex chromosome?
ii. How many pairs of chromosomes are present in human beings?
iii. How is the sex of the human offspring determined?
iv. Draw a diagram depicting sex determination in man.
Which combination of genes in the zygote will produce children with blue eyes?
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With the help of a chart, explain the method of sex determination in honeybees.
Explain the haplo-diploid method of sex determination in the honey bee.
What is Lyonisation?
Which of the following develops through parthenogene is?
Sex is determined in human beings ______.
The ‘X’ body of Henking was observed in ______.
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