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प्रश्न
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उत्तर
The sex of the zygote is determined by the sperm which fertilizes the ovum. If an X bearing sperm fuses with an ovum in man, the offspring would be female and if a Y chromosome bearing sperm fuses with an ovum the offspring will be a boy.
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संबंधित 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
In a human, how many chromosmes are present in a fertilised egg?
A zygote which has inherited an X chromosome from the father will develop into :
(a) baby boy
(b) baby girl
(c) adult
(d) either boy or girl
Both father and mother have the genes Ee in their cells. What colour are their eyes?
Define the following:
Sex chromosomes
Define the following:
Sex-linked characters
In which livings, female decides the sex? Give two examples.
Give Technical Term:
The cell which determines the sex of a baby.
Which of the following organisms has haploid number of chromosomes?
Which of the following is an example of genetic variation?
