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प्रश्न
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उत्तर
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संबंधित प्रश्न
Explain the following terms:
Identical twins
Give Reason:
Why X-linked recessive diseases are more common among males than females.
XO type of sex determination and XY type of sex determination are examples of ____________.
ZW-ZZ system of sex determination occurs in
Distinguish between heterogametic and homogametic sex determination systems.
In human males all the chromosomes are paired perfectly except one. This/these unpaired chromosomes is/are ______.
- large chromosome
- small chromosome
- Y-chromosome
- X-chromosome
A zygote which has an X-chromosome inherited from the father will develop into a ______.
Does a male child inherit X chromosome from his father? Justify.
Given below are two statements:
Statement - I: The male Drosophila has a pair of homomorphic sex chromosomes.
Statement - II: The male human being has a pair of heteromorphic sex chromosomes.
In the light of above statements, Choose the most appropriate answer from the options given below:
If a male grasshopper with XO genotype produces sperm, what proportion of his sperm will carry the X chromosome?
