Question

in a cross between pure plant with violet flowers and pure plant with white flowers the offspring of F1 progeny all had violet flowers when they F1 progeny was self crossed it was observed in the F2 progeny that out of 100 flowers 75.
(a)make a cross of two F2 progeny
(B)mention the genotype and phenotype of F1 progeny
(c)give one reason why in F1 progeny both the parents traits are not expressed ,.,.class 10 biology
***********please don't copy paste answer from internet **********​

Answer 1

Answer:

This is one of the mendel's experiment . this shows how colour and shape of seeds are passed down.

Answer 2

pure plant with purple flowers : PP

pure plant with white flowers : pp

a) F1 generation : Pp

By cross breeding F1 generation we get F2 generation.

| Pp Pp

___|_____|_____

Pp | PP | Pp

___| ____ |_____

Pp | Pp | PP

___|__ __|______

b) phenotype of F1 generation : Purple flower plant.

genotype of F1 generation : Heterozygous alleles...

c) In the F1 generation there are two different traits but the dominant one will express itself. no