Question

sex determination in unborn child

Answer 1

ln human being 22 chromosome and. 1sex chromosome total of 23 chromosome. Male consists of XY chromosome and female consists of XX chromosome.so male are hetegamaty and produced two type of gametes while female are homogamety and produced only one type of gamate. Female X chromosome and male Ychromosome fuses then offspring produced is male and X andX fuses to form daughter offspring

Answer 2

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Here's Your Answer___

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human beings have 46 chromosomes in the nuclei of their cells. of these, 44 are known as autosomes and the last pair is termed as sex chromosome. this pair is different in males and females. in females it is 22+ X and and in males 22 + X or Y .

during fertilization, if an egg fuses with or 22 + Y sperm, the resultant zygote will develop into a male child and if an egg fuses with a 22 + X sperm, the resultant zygote will develop into a female child.

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