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प्रश्न
Which of the following group shows ZW-ZZ type of sex determination?
विकल्प
Pigeon, Parrot, Sparrow
Parrot, Bat, Fowl
Bat, Fowl, Crow
Sparrow, Fowl, Cat
उत्तर
Pigeon, Parrot, Sparrow
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संबंधित प्रश्न
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ii. If sperm containing X chromosome fertilizes ovum, then diploid zygote is formed, that grows into a female child.
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Sex of an individual is determined by different factors in various species. Some animals rely entirely on the environmental ones, while in some other animals the individuals can change their sex during their life time indicating that sex of some species is not genetically determined. However in human beings, the sex of an individual is largely determined genetically.
- In what way are the sex chromosomes 'X' and 'Y' different in size? Name the mismatched pair of sex chromosome in humans.
- Write the number of pair/pairs of sex chromosomes present in human beings. In which one of the parent (male/female) perfect pair/pairs of sex chromosome are present?
- Citing two examples, justify the statement "Sex of an individual is not always determined genetically".
OR
Draw a flow chart to show that sex is determined genetically in human beings.
