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प्रश्न
Give Reason:
Why X-linked recessive diseases are more common among males than females.
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उत्तर
Because females have two copies of the X-Chromosome and males have only one X- chromosome.
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संबंधित प्रश्न
In a human, how many chromosmes are present in a brain cell?
The exchange of genetic material takes place in :
(a) vegetative reproduction
(b) asexual reproduction
(c) sexual reproduction
(d) budding
Choose the correct answer :
Human sex chromosomes are __________
Choose the correct answer:
Chromosomes identical in male and female are called __________
Choose the correct answer:
A man can transfer his sex-linked gene to his ______________
Drone of the honeybees shows haploid number of chromosomes. Illustrate.
Distinguish between heterogametic and homogametic sex determination systems.
The ‘X’ body of Henking was observed in ______.
Number of autosomes present in liver cells of a human female is ______.
How many types of gametes are produced by a human female?
