16. This image is an example of
a. Quaternary structure
b. Tertiary structure
c. Secondary structure

In the diagram below, the northern hemisphere would be in what season at position a a. fall b. winter c. summer d. spring

Physical characteristics of down syndrome

What is required in the genotype of an individual to show a recessive trait? a. two recessive alleles b. at least one recessive allele c. no recessive alleles