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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
Explain sex determination in human beings.
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What are the chromosomes XY and XX known as?
Name two animals which have nineteen pairs of chromosomes.
Complete the following sentence with appropriate word:
______are the alternative forms of a gene producing different effects.
There are five daughters and no son in a family. It is because
Which type of sex determination is observed in honey bee?
Sex is determined in human beings ______.
A man with blood group A marries a woman having blood group O. What will be the blood group of the child?
The maleness of a child is determined by ______
