What do base pairing rules have to do with replication?

What type of cell is produced after fertilization occurs and the gametes combines ?

Variety of living organisms; includes genetic, species, and ecological types.

Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3: 1. if the allele are designated (r & r) receptively. what is the probable genotypes of the round seeds which produced f 1 ? rr & rr rr only rr & rr rr only rr only