study problem3

Name__________________

Bio 1

Study Problems #3 (20pts)

1) Describe the differences between embryonic, somatic cell nuclear tranfer, and induced pluripotent stem cells (3pts)

2) How does PCR work and why is it useful? (2pts)

3) Name and describe four evidence of evolution. (4pts)

4) A population has only two alleles, A and a, for a particular gene. The allele frequency of a is 35%. How many would have the genotypes of AA, Aa, and aa in a population of 500? (3pts)

5) How does global climate change threaten biodiversity? (2pts)

6) Describe the three types of biodiversity. (3pts)

7) Distinguish between directional, disruptive, and stabilizing selection? (3pts)