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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
The human animal which has an XY pair of chromosomes is called :
(a) male
(b) hybrid
(c) female
(d) doomed
The exchange of genetic material takes place in :
(a) vegetative reproduction
(b) asexual reproduction
(c) sexual reproduction
(d) budding
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
Both father and mother have the genes Ee in their cells. What colour are their eyes?
A couple with a newborn baby is troubled that the child does not resemble either of them. Suspecting that a mixup occurred at the hospital, they check the blood type of the infant. It is type O. Because the father is type A and the mother type B, they conclude that a mixup has definitely occurred. Are they correct? Give reason for your answer.
Which type of sex determination is observed in honey bee?
Grasshopper is an example of XO type of sex determination in which the males have ______.
The maleness of a child is determined by ______
A zygote which has an X-chromosome inherited from the father will develop into a
Which pair of organisms would NOT be expected to share the same sex determination system?
