Cell Division

Question 1

Molecule used as the carrier of genetic information in living organisms; passed from parent to offspring and directs the expression of characteristics

Answer 1

DNA (Deoxyribonucleic Acid)

Question 2

An organism’s complete set of inheritance information

Answer 2

Genome

Question 3

Subset of an organism’s genome that directs the inheritance and production of a polypeptide

Answer 3

Gene

Question 4

Physical position a gene occupies within a genome

Answer 4

Locus

Question 5

One of multiple variations expressing a gene

Answer 5

Allele

Question 6

Organized package of DNA found in the nucleus of a cell

Answer 6

Chromosome

Question 7

Combination of decondensed DNA and proteins that fill a eukaryotic nucleus. The material that gets organized into chromosomes

Answer 7

Chromatin

Question 8

Cells of all body tissues in a sexually reproducing organism except those used to produce new organisms

Answer 8

Somatic Cells

Question 9

__ pairs are gained from the male and female parent

Answer 9

Chromosome

Question 10

Chromosome pairs are ___ meaning the 2 member pairs contain the same loci in the same order

Answer 10

Homologous

Question 11

Cells of a sexually reproducing organism that directly contributes to the production of a new organism

Answer 11

Gametes

Question 12

Count of the number of chromosomes in a cell

Answer 12

Ploidy

Question 13

Used to describe a cell that has one of each type of chromosome for the species

Answer 13

Haploid

Question 14

Used to describe a cell that has two of each type of chromosome for the species

Answer 14

Diploid

Question 15

___ are haploid

Answer 15

Gametes

Question 16

___ are diploid

Answer 16

Somatic cells

Question 17

Growth, active metabolism, chromatin expanded, intact nucleus

Answer 17

G1 and G2

Question 18

Replication of DNA, chromatin expanded, intact nucleus

Answer 18

S Phase

Question 19

Cell division, visible chromosomes

Answer 19

M Phase

Question 20

Chromatin condenses into chromosomes (replicated). Nuclear membrane breaks and metabolism slows down

Answer 20

Prophase

Question 21

Replicated chromosomes align on spindle

Answer 21

Metaphase

Question 22

Protein disk that connects the centromere of a replicated chromosome to the mitotic spindle (during metaphase)

Answer 22

Kinteochore

Question 23

Centromeres break, and each replicated chromosome becomes 2 unreplicated chromosomes

Answer 23

Anaphase

Question 24

Unreplicated chromosomes move toward opposite poles to form new nuclei

Answer 24

Telophase

Question 25

Separation of cytoplasm into two cells

Answer 25

Cytokinesis

Question 26

Combines genetic material from two parents to produce a new organism

Answer 26

Sexual Reproduction

Question 27

Duplicated chromosomes start to condense

Answer 27

Leptotene

Question 28

Synapsis begins

Answer 28

Zygotene

Question 29

Synapsis complete; crossing over (genetic recombination) occurs

Answer 29

Pachytene

Question 30

Synaptonemal complex; disappearing; chiasma visible

Answer 30

Diplotene

Question 31

Bivalent ready for metaphase

Answer 31

Diakinesis

Question 32

What does Cdk do?

Answer 32

Phosphorylate a target

Question 33

Helps to align and orient chromosomes on the mitotic spindle

Answer 33

Cohesin

Question 34

Connects homologous chromosomes to each other to create a tetrad

Answer 34

Synaptonemal complex