Question

what is mendal law's

Answer 1

This is called law of segregation.

Answer 2

i)law of dominance-- when parents are pure with contrasting traits then only one form of trait appear
ii)law of segregation--  allele pairs separate or segregate during gamete formation, and randomly unite at fertilization.
iii)law of independent assortment-- allele pairs separate independently during the formation of gametes.