What is a dihybrid and how do you predict its outcome?

Why do you think the puppy litter was all dark-haired?

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

What maintain homeostasis when a persons internal body temperature is 97.5°f