The karyotype (set of chromosomes) shown below is taken from a dividin

1.	The karyotype (set of chromosomes) shown below is taken from a dividing cell in a certain individual.(i) Is the individual male or female ? Explain your answer.(ii) How would you expect (a) a female cell and (b) sperm cell to differ in chromosome composition ?
Answer» (i) Male, because there is a Y-chromosome and an X-chromosome. (ii) (a) A female would have two X-chromosomes and no Y-chromosome. (b) A sperm cell would have half the number of chromosomes. 23 instead of 46. There would be only one sex chromosome which could be either Y or X.

The karyotype (set of chromosomes) shown below is taken from a dividing cell in a certain individual.(i) Is the individual male or female ? Explain your answer.(ii) How would you expect (a) a female cell and (b) sperm cell to differ in chromosome composition ?

Answer»

(i) Male, because there is a Y-chromosome and an X-chromosome.

(ii) (a) A female would have two X-chromosomes and no Y-chromosome.

(b) A sperm cell would have half the number of chromosomes. 23 instead of 46. There would be only one sex chromosome which could be either Y or X.