Question 1

a substance with genetic information in cells

Accepted Answer

DNA

Question 2

the part of a cell holding the genes

Accepted Answer

chromosome

Question 3

the part of a cell controlling how living things look

Accepted Answer

gene

Question 4

the process that creates new living things

Accepted Answer

reproduction

Question 5

production of offspring by a single parent

Accepted Answer

asexual reproduction

Question 6

two parent organisms combine their genes to produce a new organism

Accepted Answer

sexual reproduction

Question 7

division of sex cells (sperm and eggs)

Accepted Answer

meiosis

Question 8

a difference between individuals of the same species.

Accepted Answer

variation

Question 9

a new trait that helps an organism survive and reproduce

Accepted Answer

adaptation

Question 10

a random error in gene reproduction that leads to a change.

Accepted Answer

mutation

Question 11

to pass traits down from generation to generation.

Accepted Answer

Inherit

Question 12

specific characteristics of an individual

Accepted Answer

trait

Question 13

a trait that covers over, or dominates, another form of that trait

Accepted Answer

dominant

Question 14

a trait that is masked by another form of that trait and seems to disappear

Accepted Answer

recessive

Question 15

different forms of the same gene

Accepted Answer

alleles

Question 16

an organism's genetic makeup

Accepted Answer

genotype

Question 17

an organism's physical appearance, or visible traits

Accepted Answer

phenotype

Question 18

cell's division of the nucleus to make 2 cells exactly like the parent cell

Accepted Answer

mitosis

Question 19

the joining of a sperm and an egg

Accepted Answer

fertilization

Question 20

a large molecule made up of smaller molecules called amino acids

Accepted Answer

protein

Question 21

cells involved in sexual reproduction (sperm and egg cells)

Accepted Answer

gamete

Question 22

a chart showing possible genotypes and phenotypes of offspring

Accepted Answer

Punnet Square

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