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प्रश्न
What is Lyonisation?
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उत्तर
Lyonisation is a process of inactivation of one of the X chromosomes in some females.
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.
A new born child has an XY pair of chromosmes. Will it be a baby boy or a baby girl?
Choose the correct answer :
Human sex chromosomes are __________
Drone of the honeybees shows haploid number of chromosomes. Illustrate.
In which livings, female decides the sex? Give two examples.
Give Technical Term:
The cell which determines the sex of a baby.
Explain the mode of sex determination in honeybees.
Read the following statements and select the correct option.
i. If sperm containing Y chromosome fertilizes the ovum, then diploid zygote is formed that grows into a male child.
ii. If sperm containing X chromosome fertilizes ovum, then diploid zygote is formed, that grows into a female child.
The maleness of a child is determined by ______
Select the incorrect statement
