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प्रश्न
Write the types of sex-determination mechanisms the following crosses show. Give an example of each type.
(i) Female XX with Male XO
(ii) Female ZW with Male ZZ
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उत्तर
(i) The type of sex determination mechanism shown in female XX with male XO is male heterogamety.
Example- Humans
(ii) The type of sex determination mechanism shown in female ZW with male ZZ is female heterogamety.
Example- Birds
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संबंधित प्रश्न
Write notes on sex determination in the unborn baby.
What is heterogamety ? Explain the mechanism of sex determinatin in Drosophila.
Explain the following terms:
Identical twins
What is parthenogenesis?
Human offspring’s sex is determined ______
If a normal cell of the human body contains 46 pairs of chromosomes then the numbers of chromosomes in a sex cell of a human being is most likely to be ______
Which of the following determines the sex of a child?
Name the two types of gametes produced by men.
Twins are born to a family that lives next door to you. The twins are a boy and a girl. Which of the following must be true?
