Which male gamet (22 x/22 y) fuses with female gamet to form a male child?
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22 y is the correct answer
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The Chromosomes which decides the sex of a person are called sex chromosomes. The sex of a person depends upon what happens at the time of fertilisation. The following cases are responsible for Male/Female sex of a person
1) If a sperm carrying X chromosome fertilises a ovum or egg carrying Y chromosomes then the child born will be girl because the child will have XX combination of sex chromosome.
2) if a sperm carrying Y chromosome fertilises an ovum or egg carrying X chromosome then the child born will be a boy because the child will have XY combination of sex chromosome.
Therefore it is the sperm which is responsible for sex of a person.
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