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प्रश्न
What is heterogamety ? Explain the mechanism of sex determinatin in Drosophila.
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उत्तर
Heterogamety - Either male or female individual produces two different types of gametes.
Mechanism of sex determination in Drosophila. In Drosophila, the males have one X and one Y chromosome, whereas females have a pair of X-chromosomes besides autosomes.
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संबंधित प्रश्न
The two versions of a trait (character) which are brought in by the male and female gametes are situated on :
(a) copies of the same chromosome
(b) sex chromosomes
(c) two different chromosomes
(d) any chromosomes
Give Reason:
Why X-linked recessive diseases are more common among males than females.
Complete the following sentence with appropriate word:
___________ chromosomes do not take part in sex determination.
Explain the mode of sex determination in honeybees.
There are five daughters and no son in a family. It is because
ZZ/ZW type of sex determination is seen in ______.
In XO type of sex determination ______.
Which of the following statements is not true with respect to variation?
