Unit 5

Question 1

What are the three main differences between mitosis and meiosis

Answer 1

identical vs unique cells
diploid vs haploid cells
asexual reproduction vs sexual reproduction

Question 2

What are homologous chromosomes

Answer 2

one set of chromosomes from the mother and the other from the father

Question 3

tetrad chromosomes

Answer 3

two pairs of homologous chromosomes

Question 4

what happens during prophase 1

Answer 4

corssing over occurs, nonsister chromatids exhange DNA segments

Question 5

What are recombinant chromosomes

Answer 5

chromosomes identified after crossing over occurs

Question 6

what is independent assortment

Answer 6

chromosomes, during metaphase, can line up in any way they want to.

Question 7

what is it called when something goes wrong in meiosis

Answer 7

nondisjuction events

Question 8

what is aneuploidy

Answer 8

abnormal number of chromosomes in translocation

Question 9

what is trisomic

Answer 9

3 chromosomes after meiosis (causes down syndrome on chromosome 21)

Question 11

What are types of codominance

Answer 11

Blood types, tay-sachs, sickle cell