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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
Differentiate between ‘ZZ’ and ‘XY’ type of sex-determination mechanisms.
In a human, how many chromosmes are present in a skin cell?
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________ shows haplo-diploid type of sex-determination.
Choose the correct answer:
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Explain the haplo-diploid method of sex determination in the honey bee.
In XO type of sex determination ______.
The maleness of a child is determined by ______
Also describe as to, who determines the sex of an unborn child? Mention whether temperature has a role in sex determination.
How is the sex of a newborn individual determined in different species of animals? Give three examples to support your answer.
