8a

Question 1

half a chromosome

Answer 1

Chromatid

Question 2

line were chromatids meet

Answer 2

Centromere

Question 3

Human chromosome

Answer 3

XX (female) or XY (male)

Question 4

human autosomes

Answer 4

22 pairs

Question 5

picture of the ordered chromosomes

Answer 5

Karyotype

Question 6

having homologous pairs

Answer 6

Diploid

Question 7

one set of chromosomes
-Eggs and sperm

Answer 7

Haploid

Question 8

Haploid chromosome set

Answer 8

n

Question 9

Diploid chromosome set

Answer 9

2n

Question 10

process of cell growth that leads to cell division for cells

Answer 10

cell cycle

Question 11

Most of the cell’s time is spent here

Answer 11

Interphase

Question 12

Cell grows and DNA duplicates

Answer 12

Interphase

Question 13

forms haploid gametes

Answer 13

Meiosis

Question 14

Tetrads exchange genes

Answer 14

Prophase I

Question 15

Chromosomes do not
duplicate

Answer 15

Prophase II

Question 16

The four cells are genetically
different from each other

Answer 16

Telophase II and cytokinesis

Question 17

formed by the union of two gametes

Answer 17

Zygote

Question 18

how do cells help living things grow and reproduce

Answer 18

cells go through mitosis to replicate and reproduce