Question

1) What will be the sex of a baby when the egg fuses with sperm containing 1) X chutomosome
2) Y chromosome.​

Answer 1

$\star$ When the egg fuses with sperm containing an X chromosome, the resulting baby will have a female sex (XX chromosomes).

$\star$ When the egg fuses with sperm containing a Y chromosome, the resulting baby will have a male sex (XY chromosomes).

The sex of the baby is determined by the combination of sex chromosomes received from the sperm and egg during fertilization. The presence of an X chromosome results in a female, while the presence of a Y chromosome results in a male.