PUNNETT SQUARE

Question 1

Punnett square is developed by _________ to describe the possible genetic combinations of a certain breeding experiment

Answer 1

Reginal Punnett

Question 2

Device use to examine the genotypical outcome probabilities of an offspring

Answer 2

Punnett Square

Question 3

heterozygous brown crossed with dad homozygous white

Answer 3

Mom

Question 4

Genes and alleles are segregated from each other

Answer 4

Law of Segregation of Mendel

Question 5

Controlled genes or traits crosses

Answer 5

Breeding experiment

Question 6

homozygous parents

Answer 6

P generation

Question 7

hybrids

Answer 7

F1 generation

Question 8

A genetic cross involving a single pair of genes (one trait)

Answer 8

Monohybrid cross

Question 9

allele for tall (dominant)

Answer 9

T

Question 10

Allele for dwarf (recessive)

Answer 10

t

Question 11

homozygous tall plant

Answer 11

TT

Question 12

homozygous dwarf plant

Answer 12

tt

Question 13

parentals true breeding, homozygous plants

Answer 13

P

Question 14

ratio of possible gene combinations

Answer 14

Genotypic ratio

Question 15

possible phenotypes expressed by offspring

Answer 15

Phenotypic ratio

Question 16

self-fertilize F1 generation

Answer 16

F2 generation

Question 17

9:3:3:1

Answer 17

Phenotypic Ratio

Question 18

copying DNA to be passed down from parent cell to daughter

Answer 18

Replication

Question 19

variation of gene

Answer 19

Allele

Question 20

_________ is a protein coded by the Ras gene

Answer 20

Ras mutation

Question 21

a mutation whose gene product negatively affects the biochemical activity of the normal product within the same cell

Answer 21

Dominant negative

Question 22

A mutation that confers new or enhanced activity on a protein

Answer 22

Gain of function

Question 23

Dominant alleles usually code for proteins that are expressed

Answer 23

Simple dominance

Question 24

always and absolutely active throughout cell cycle

Answer 24

Consecutively active

Question 25

The dominant alleles are both expressed, but they are segregated from each other in which areas they are expressed

Answer 25

Codominance

Question 26

The dominant allele does not completely mask the effects of the recessive allele

Answer 26

Incomplete dominance

Question 27

Interaction of nonallelic genes in the formation of the phenotype

Answer 27

EPISTASIS

Question 28

different location in the chromosome

Answer 28

Nonallelic genes

Question 29

gene that can affect the expression of another gene

Answer 29

Epistatic

Question 30

Occurs when the recessive allele of one gene masks the effects of either allele of the second gene

Answer 30

Recessive Epistasis

Question 31

also known as Duplicate Gene Action

Answer 31

Duplicate Dominant Epistasis

Question 32

Also known as Complementary Gene Action

Answer 32

Duplicate Recessive Epistasis

Question 33

The presence of both the dominant alleles of different gene loci forms a new phenotype

Answer 33

Duplicate Genes with Cumulative Effect

Question 34

Also known as Dominant Inhibitory Epistasis

Answer 34

Dominant Recessive Interaction

Question 35

Easiest type of Punnett square

Answer 35

MONOHYBRID CROSS

Question 36

Mating that involve parents that differ in two genes independent traits

Answer 36

Dihybrid Crosses

Question 37

Copying DNA to be passed down from parent parent cell to daughter

Answer 37

REPLICATION

Question 38

Is the key to life; makes living possible

Answer 38

CENTRAL DOGMA

Question 39

Variation of gene

Answer 39

ALLELE

Question 40

Usually do not code for proteins

Answer 40

RECESSIVE ALLELES