first one is definitely a fact
A child's gender (male or female) is determined by the chromosome that the male parent contributes.
Females have XX sex chromosomes.
Males have XY sex chromosomes.
A male infant results if the male contributes his Y chromosome while a female infant results if he contributes his X chromosome.
pata nhi
mujhe toh
internet pe search kiya lekin nhi mila answer
lol
points ke liye thankyou
lol
g
3t
4g
t
Https://www.nature.com/scitable/topicpage/the-information-in-dna-determines-cellular-function-652322...
If you use this link, it will help you. I do not own this website in any shape or form. I hope this helps!
