Given below is the illustration showing how sex determination is taking place in human beings.
(a) Observe the illustration and examine the 4 types of possible offspring. Specify their sex chromosomes.
(b) What are the inferences you arrive at, from this illustration?

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Solution

(a) Four types of possible offspring will be:Female offspring (44 + XX), Male offspring (44 + XY), Female offspring (44 + XX) and Male offspring (44 + XY)
(b) There are two types of sex chromosomes X and Y. Sex chromosomes in males play an important role in sex determination. Females have XX chromosomes and male shave one X and one Y chromosome.

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