I am going to go with either C,A B.
I'm not entirely sure. it's just what i think
1) autosomal dominant
2) autosomal recessive
3) X-linked dominant
4) X-linked recessive
Answer: <em>C.) Cnidarians</em>
One of the reasons for the success of the smallpox eradication campaign was that small pox only occurred in humans. Smallpox is an extremely contagious and deadly virus for which there is no known cure. it is caused by two variants, Variola major and Variola minor. it is a disease of the past that was eliminated by worldwide vaccination.
Comparing DNA
Darwin could compare only the anatomy and embryos of living things. Today, scientists can compare their DNA. Similar DNA sequences are the strongest evidence for evolution from a common ancestor. Look at the diagram in Figure 9.3
