Horses, zebras, and donkeys are all different species. they are believed to have come from one common ancestor and just become more and more different due to their different environmental conditions. these animals may have evolved by

Which animal group is the largest and contains more species from all the other living groups combined? is it mammals or

2. in dragons, a gene on chromosome 1 codes for wing color and a gene on chromosome 2 codes for body color. draw out the stages of meiosis for these two chromosomes from a dragon that is heterozygous for both traits. define your alleles. what are all the possible allele combinations of the gametes produced?

Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria