Help please, I don't understand how to do this.
Its about punnet squares and stuff

All 4 genotypes will be rr, and all 4 phenotypes will be white.

Explanation:

The "r" gene for white hair color is recessive, and both the bull and the cow have two copies of this gene. Therefore, since the "r" is the only gene that both could pass down, all offspring will have white hair and two copies of the "r" gene.

typically, most spiders possess eight eyes. however, others have as many as 12, and some don't have any. these eyes are for detecting light from dark, deciphering shapes and for gathering their prey.