Question

2)
Two individuals are as shown using geometric shapes.
XlY
X"X"
Their sex chromosomes are respectively denoted hy X X., and Y. What are the possible
comhinations of sex chromosomes for their male and female offspring respectively?
(a) XX and Xx
(C) XY and X-Y
(h) X-Y and xx.
(d) X Y and X-X​

Answer 1

Answer:

d) XY and XX

Explanation:

XY - male child

XX - female child

Answer 2

Answer:

The fourth option (d) XY and XX is the correct answer.

Explanation:

The individuals are represented by X and Y. The female sex chromosome is represented by X, and the male sex chromosome is represented by Y.

The offspring will be XY (male) when the sperm carrying Y fertilises the egg carrying X.

The offspring will be XX (female) when the sperm carrying X fertilises the egg carrying X.

The fact that the first person is XY (Male) denotes that they have one X and one Y chromosome. This person is capable of producing sperm that contains either an X or a Y chromosome.

The second person is XX (Female) which denotes that they have two X chromosomes. This person is capable of developing eggs that only contain the X chromosome.

As a result, the male and female sex chromosome combinations for the two individuals' offspring are, respectively, XY and XX.

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