Question

How is the sex of a new born determined in human ? explain with the help of a diagram.​

Answer 1

Answer:

hey mate here is ur answer

Explanation:

In the human being, the chromosomal mechanism of sex determination is of XX-XY type. In human the nucleus of each cell contains 46 chromosomes or 23 pairs of chromosomes of body characters) and 1 pair is of sex chromosomes (responsible for determination of sex).

1. In the female, two homomorphic sex chromosomes are XX.

2. In the male, two heteromorphic sex chromosomes are XY.

3. The genotypes of female and male is

Female : 46 Chromosomes = 44 Autosomes + XX sex chromosomes

Male : 46 Chromosomes = 44 Autosomes + XY sex chromosomes

solution

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Answer 2

Answer:

Men determine the sex of a baby depending on whether their sperm is carrying an X or Y chromosome. An X chromosome combines with the mother's X chromosome to make a baby girl (XX) and a Y chromosome will combine with the mother's to make a boy (XY).