Chromosomal basis of hereditary II

Question 1

constricted region, established the general appearance of each chromosome

Answer 1

centromere

Question 2

pinching off a small chromosomal region

Answer 2

Secondary constriction

Question 3

the genetic information contained in a haploid set of chromosomes constitutes the __ of species

Answer 3

genome

Question 4

each chromosome in mitosis divides __ into identical halves

Answer 4

longitudinally

Question 5

Final step of cell division

Answer 5

cytokinesis

Question 6

Meiosis I
Meiosis II

Answer 6

Reduction division
Equation Division

Question 7

Gives rise to tetrads in Prophase I

Answer 7

Bivalent

Question 8

Point of genetic exchange between non-sister chromatids

Answer 8

Chiasma

Question 9

Steps in P1

Answer 9

Chromomeres
Bivalent
Tetrad
Chiasma
Terminalization

Question 9

the internal clock that determines the number of the cell will divide

fetal connective tissue
Adult connective tissue
cells lining and intestine

Answer 9

Cellular clock
50x ave
20x
lifetime

Question 9

What disintegrates during prophase II

Answer 9

Nucleolus and nulcear membrane

Question 10

Outside factors that control cell division

Answer 10

Hormones, estrogen stimulates mitosis

Question 11

Growth factors that control cell division

Answer 11

PDGF (platelet-derived growth factor)
EGF (epidermal growth factor)

Question 12

Intracellular factors that control cell division

Answer 12

Cells not ready to divide + MPF (Maturation promoting factor) = cell divides