explain sex chromosomal theory
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ccording to chromosome theory of sex determination, male and female individuals would differ in their chromosome constitution . There may be two types of chromosomes present in such individuals : (i) autosomes and (ii) sex-chromosomes. In a diploid individual, there are 2n - 2 autosomes and two sex-chromosomes. While in one sex (generally female), two sex-chromosomes are homomorphic (XX), in the other sex (generally male) these are heteromorphic (XY). In birds, usually female is designated as ZW, being heterogametic and male is designated as ZZ being homogametic.
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sex determination in different mechanism. that sex human of spring is genetically determined.
1. human have 22 pair of autosomes and one pair of sex chromosomes.
2.males have and I'm perfect pair of sex chromosomes i.e xy why female have similar perfect pair i.e xx.
3. in a woman all acts carry only X chromosomes.
4. sex of child depands on the type of sperm fuses with the egg.
5. if the sperm carry X chromosomes a girl child will be produced and if the sperm carrying Y chromosomes fuses with egg it will result in to birth of baby boy.
1. human have 22 pair of autosomes and one pair of sex chromosomes.
2.males have and I'm perfect pair of sex chromosomes i.e xy why female have similar perfect pair i.e xx.
3. in a woman all acts carry only X chromosomes.
4. sex of child depands on the type of sperm fuses with the egg.
5. if the sperm carry X chromosomes a girl child will be produced and if the sperm carrying Y chromosomes fuses with egg it will result in to birth of baby boy.
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