(This is a 6th grade science question)
I need help. I habe tried to figure this out on my own but I can't find the answers. Do you know any place I can find information for this?

Sea stars, sea urchins, sand dollars, and brittle stars are all memeber of a group, what is the common name of the group they are all in

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. chinchilla x albino a) all chinchilla b) 1/2 chinchilla, 1/2 albino c) 3/4 chinchilla, 1/4 albino