Help I’m having some trouble understanding this “You are standing at the corner of River Street and Third Street. A friend calls and tells you to walk three blocks west of your present position to meet her. Where is your friend? What is the reference point for her directions”

Me . based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled

Many farmers prefer cattle without horns because it is safer for their herds. the allele for no horns (n) is dominant to the allele for the presence of horns (n). a farmer mates a male with horns to a heterozygous female without horns. what is the chance that the offspring will have horns?