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प्रश्न
Choose the correct answer:
A man can transfer his sex-linked gene to his ______________
विकल्प
son
daughter
both
none of these
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उत्तर
A man can transfer his sex-linked gene to his daughter
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संबंधित प्रश्न
In a human, how many chromosmes are present in a skin cell?
Define the following:
Sex chromosomes
Choose the correct answer:
A single recessive trait, able to express must be on _________
ZW-ZZ system of sex determination occurs in
Which type of sex determination is observed in honey bee?
Identify the organism in which ZZ-ZW type of sex determination is observed.
Some dinosaurs had feathers although they could not fly but birds have feathers that help them to fly. In the context of evolution this means that
Structures present in a cell which is responsible for determination of the sex of a baby is ______.
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.
The sex chromosome in a human ovum is ______.
