Quiz about Heredity Vocabulary and Punnett Square Review

Question 1

Which of the following genotypes is homozygous dominant?

Accepted Answer

AA

Answer

A

Answer

Aa

Answer

aa

Question 2

Which of the following genotypes is heterozygous?

Accepted Answer

Bb

Answer

BB

Answer

bb

Answer

B

Question 3

What percentage of the offspring from the cross shown will be homozygous recessive for the trait of tallness?

Accepted Answer

0%

Answer

25%

Answer

75%

Answer

100%

Question 4

A homozygous dominant brown mouse is crossed with a heterozygous brown mouse

(Brown is the dominant color and tan is the recessive color).

Accepted Answer

100 % brown

Answer

100 % tan

Answer

50 % brown and 50% tan

Answer

75 % brown and 25 % tan

Question 5

What allele combination should go in the missing box?

Accepted Answer

Aa

Answer

AA

Answer

aa

Answer

none of these

Question 6

What belongs in Box 2?

Accepted Answer

y

Answer

Y

Answer

YY

Answer

yy

Question 7

What belongs in Box 4?

Accepted Answer

YY

Answer

Y

Answer

Yy

Answer

yy

Question 8

What belongs in Box 8?

Accepted Answer

Yy

Answer

Y

Answer

YY

Answer

yy

Question 9

What belongs in box 1?

Accepted Answer

F

Answer

f

Answer

FF

Answer

Ff

Question 10

What belongs in box 4?

Accepted Answer

Ff

Answer

F

Answer

FF

Answer

ff

Question 11

What belongs in box 5?

Accepted Answer

ff

Answer

F

Answer

FF

Answer

Ff

Question 12

What belongs in box 8?

Accepted Answer

ff

Answer

F

Answer

FF

Answer

Ff

Question 13

The letters that make-up the genetic code for a trait

Accepted Answer

genotype

Answer

heterozygous

Answer

phenotype

Answer

trait

Question 14

What chance does the offspring have of showing a dominant trait?

Accepted Answer

100%

Answer

75%

Answer

50%

Answer

0%

Question 15

What is the allele combination for square 1?

Accepted Answer

DD

Answer

Dd

Answer

dd

Answer

D

Question 16

What is the chance of this offspring having a recessive trait?

Accepted Answer

25%

Answer

100%

Answer

50%

Answer

0%

Question 17

What is the missing allele?

Accepted Answer

A

Answer

a

Answer

AA

Answer

aa

Question 18

What is the genotype for the black chickens?

Accepted Answer

bb

Answer

BB

Answer

Bb

Answer

bB

Question 19

B = brown fur b = white fur
In the Punnett square, what is the probability for white fur?

Accepted Answer

50%

Answer

0%

Answer

25%

Answer

75%

Question 20

Heterozygous is when...

Accepted Answer

the alleles are different

Answer

the alleles are the same

Answer

the alleles are absent

Answer

the alleles are present

Question 21

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

Accepted Answer

dominant

Answer

recessive

Answer

lower case letter

Answer

both

Question 22

T - tall and t = short
In the punnett square below, what belongs in the missing square

Accepted Answer

tt

Answer

Tt

Answer

Bb

Answer

TT

Question 23

G = green, g = yellow
The genotype for a yellow plant is...

Accepted Answer

gg

Answer

GG

Answer

Gg

Answer

all of the choices result in yellow

Question 24

B = brown fur b = white fur
In the punnett square, what is the probability for white fur?

Accepted Answer

50%

Answer

0%

Answer

25%

Answer

75%

Question 25

Which of the following alleles is homozygous (purebred) recessive?

Accepted Answer

tt

Answer

Tt

Answer

TT

Answer

t

Question 26

Dominant alleles are represented by a:

Accepted Answer

capital letter

Answer

Male gene

Answer

lowercase letter

Answer

recessive trait

Question 27

Aa, DD, bB, yy are all examples of

Accepted Answer

genotypes

Answer

phenotypes

Question 28

What you see, or the physical appearance.

Accepted Answer

Phenotype

Answer

Genotype

Answer

Homozygous

Answer

Heterozygous

Question 29

AA and Aa always show up as

Accepted Answer

dominant

Answer

recessive

Question 30

aa always shows up as

Accepted Answer

recessive

Answer

dominant

Question 31

Aa is

Accepted Answer

heterozygous

Answer

homozygous

Question 32

Which of the following is a phenotype?

Accepted Answer

red hair

Answer

Aa

Answer

heterozygous

Answer

DNA

Question 33

What is a punnett square?

Accepted Answer

graph used to predict the possible genotypes of offspring in a given cross

Answer

a graph used to predict the possible birth rate of offspring.

Answer

a graph used to predict the possible behavioral characteristics an offspring could have

Answer

None of the above

Question 34

In a punnet square where are the parent alleles written?

Accepted Answer

outside of the boxes (top and left side)

Answer

Top and inside the boxes

Answer

Only on the left and right side of the boxes.

Answer

All on the top side of the boxes

Question 35

Genotype refers to the ...

Accepted Answer

the possible combination of alleles in a gene

Answer

physical expression of the genes

Answer

whether an allele is dominant or recessive

Answer

how an organism will appear

Question 36

What is the dominant trait?

Accepted Answer

yellow pea seeds

Answer

green pea seeds

Answer

there is no dominant seed

Answer

Jolly green giant

Question 37

If the dominant trait is having freckles (F) and the recessive trait is no freckles (f), which allele combination(s) below would represent a person who has freckles? (select all that apply)

Accepted Answer

Ff

Accepted Answer

FF

Answer

ff

Question 38

The combination of genes a person has, represented by letters, is their...

Accepted Answer

Genotype

Answer

Phenotype

Answer

Chromosome

Answer

Punnett Square

Question 39

What belongs in the last box?

Accepted Answer

rr

Answer

RR

Answer

Rr

Answer

ff

Question 40

T - tall and t = short
In the punnett square below, what belongs in the missing square

Accepted Answer

tt

Answer

Tt

Answer

Bb

Answer

TT

Question 41

Look at the punnett square. What is the probability that the offspring would have homozygous alleles for the trait?

Accepted Answer

50%

Answer

100%

Answer

75%

Answer

25%

Answer

0%

Question 42

Both parents in this Punnet square

Accepted Answer

are heterozygous

Answer

are homozygous dominant

Answer

are homozygous recessive

Answer

have blue eyes

Question 43

Fill in the Yellow Box

Accepted Answer

bb

Answer

Bb

Answer

BB

Question 44

Which of the following allele pairs is heterozygous?

Accepted Answer

Qq

Answer

RR

Answer

ss

Question 45

B = brown fur b = white fur
In the punnett square, what is the probability for white fur?

Accepted Answer

50%

Answer

0%

Answer

25%

Answer

75%

Question 46

What is the scientific study of DNA and heredity called?

Accepted Answer

Genetics

Answer

Biology

Answer

Chemistry

Answer

Physics

Question 47

Which of the following best describes heredity?

Accepted Answer

The passing of physical characteristics from parents to offspring

Answer

The study of living organisms

Answer

The process of cell division

Answer

The formation of new species

Question 48

What is a trait?

Accepted Answer

A characteristic that an organism can pass on to its offspring

Answer

A type of organism

Answer

A type of environment

Answer

A type of food

Question 49

What is an inherited trait?

Accepted Answer

A physical characteristic that is passed down from parents to their children and is controlled by specific genes

Answer

A physical characteristic that is acquired during an individual's lifetime

Answer

A behavior learned from the environment

Answer

A temporary change in an organism's appearance

Question 50

What is an acquired trait?

Accepted Answer

A characteristic produced by the influence of the environment

Answer

A characteristic inherited from parents

Answer

A characteristic that is present at birth

Answer

A characteristic that cannot be changed

Question 51

What is a dominant trait?

Accepted Answer

A genetic trait that blocks another genetic trait, the 'stronger' trait

Answer

A genetic trait that is weaker than another genetic trait

Answer

A genetic trait that is always visible

Answer

A genetic trait that is always hidden

Question 52

What is a recessive trait?

Accepted Answer

A genetic trait that is blocked by the presence of a dominant trait

Answer

A genetic trait that is always expressed

Answer

A genetic trait that is stronger than a dominant trait

Answer

A genetic trait that is not inherited

Question 53

What is an allele?

Accepted Answer

A form of a gene

Answer

A type of cell

Answer

A type of protein

Answer

A form of a chromosome

Question 54

What is codominance?

Accepted Answer

Both alleles are fully expressed and the phenotype is a combination of both.

Answer

Only one allele is expressed.

Answer

Neither allele is expressed.

Answer

The phenotype is a blend of both alleles.

Question 55

What does 'Purebred' mean?

Accepted Answer

Offspring that have the same expressed traits as the parents

Answer

Offspring that have different traits from the parents

Answer

Offspring that have no traits from the parents

Answer

Offspring that have mixed traits from the parents

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