Question

How do mendal'sexperiment shows that traits may be dominant or recessive

Answer 1

mendal performs experiments on pea plant which has alleles
TT , tt ,Tt
in this TT will be marked as tall
tt will be dwarf
Tt will be tall as T is the dominant allele.

Answer 2

he first cross puer peaplant of allel (TT) (tt) then f1genereation he fount that the plant is tall T then he self it and found that in f2generation a plant is drawf &other three are yall in the ratio of 3:1 then he understand trite may be recessive or domenent