Free Printable Genetics (Final Review)

1.

Who conducted genetic research on pea plants and was known as the "Father of Genetics"

a)

Francis Crick

b)

Charles Darwin

c)

Mr. Karapanos

d)

Gregor Mendel

2.

Where is all of your genetic information stored?

a)

Your DNA

b)

In the form of Lipids

c)

Enzymes

d)

Carbohydates

3.

Which process ensures that organisms are growing?

a)

Mitosis

b)

Meiosis

4.

Final product of Meiosis?

a)

4 genetically identical body cells

b)

2 genetically different sex cells

c)

2 genetically Identical body cells

d)

4 genetically different sex cells

5.

Final product of Mitosis?

a)

2 genetically identical body cells

b)

2 genetically identical sex cells

c)

4 genetically identical body cells

d)

4 genetically identical sex cells

6.

If an organisms has 20 chromosomes in it's somatic cells (Body cells) how many will be present in their gametes? (Sex cells)

a)

20

b)

10

c)

5

d)

40

7.

If an organisms has 28 chromosomes in it's somatic cells (Body cells) how many will be present in their gametes? (Sex cells)

a)

18

b)

14

c)

5

d)

40

8.

How many chromosomes do most humans have?

a)

36

b)

46

c)

6

d)

23

9.

How many chromosomes do most humans have in their sex cells?

a)

36

b)

46

c)

6

d)

23

10.

What mutation causes chromosomes to not separate properly during meiosis?

a)

nondisjunction

b)

substitution

c)

insertion

d)

deletion

11.

Traits that ARE shown when the genotype is heterozygous are known as....

a)

Dominant

b)

Recessive

c)

Genes

d)

Hybrids

12.

Traits that ARE NOT shown when the genotype is heterozygous are known as....

a)

Dominant

b)

Recessive

c)

Genes

d)

Hybrids

13.

What you PHysically look like...

a)

PHenotype

b)

GENotype

c)

Mutant

d)

Hybrids

14.

What you GENetic makeup is...

a)

PHenotype

b)

GENotype

c)

Mutant

d)

Hybrids

15.

A physical appearance of an individual can best be described as their...

a)

phenotype

b)

genotype

c)

mutations

d)

genetics

16.

If a family has 6 sons, what is the probability that their next child will be a girl?

a)

50%

b)

25%

c)

0%

d)

100%

17.

The two different forms of a gene are called..

a)

alleles

b)

mutations

c)

genotypes

d)

homologs

18.

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

a)

tt

b)

Tt

c)

Bb

d)

TT

19.

What allele combination should go in the missing box?

a)

AA

b)

Aa

c)

aa

d)

none of these

20.

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

a)

GG

b)

Gg

c)

gg

d)

all of the choices result in yellow

21.

In rabbits, black fur (B) is dominant over brown fur (b). If a rabbit has brown fur, what can you conclude about its genotype?

a)

It is BB.

b)

It is Bb

c)

It is brown

d)

It is bb.

22.

Which of the following genotypes is homozygous dominant?

a)

A

b)

Aa

c)

AA

d)

aa

23.

BB, Bb, and bb are examples of _________________

a)

Dominant

b)

Homozygous

c)

Genotype

d)

Phenotype

24.

Being tall or short are examples of _______________

a)

Dominant

b)

Homozygous

c)

Genotype

d)

Phenotype

25.

In plants, tall (T) is dominant to short (t).

Draw a punnett square and perform the following cross: Tt x Tt

What is the probability of producing a short plant?

a)

0%

b)

25%

c)

50%

d)

75%

26.

What genotype would go in box 2? And is it Homozygous or Heterozygous?

a)

BB Heterozygous

b)

Bb Heterozygous

c)

bb Homozygous

d)

Bb Homozygous

27.

What are the possible genotypes for this cross? And what percentage of each is produced?

a)

TT = 25% Tt= 50% tt=25%

b)

all tall

c)

TT= 75% tt = 25%

d)

Tt = 100%

28.

In plants, tall (T) is dominant to short (t).

Draw a punnett square and perform the following cross: Tt x Tt

What is the probability of producing a short plant?

a)

0%

b)

25%

c)

50%

d)

75%

29.

How many boxes would say BB?

a)

1

b)

2

c)

4

d)

0

30.

The genotypic ratio here is

a)

25% blue eye 75 % brown eye

b)

BB = 25% Bb = 50% bb = 25%

c)

BB= 50 % bb = 50%

d)

All brown eye

31.

Which is Heterozygous?

a)

Tt

b)

BB

c)

ff

d)

Dominant

32.

Which is homozygeous?

a)

Tt

b)

BB

c)

Ff

d)

Blue

33.

If a parent that is homozygous dominant is crossed with a parent that is homozygous recessive, what would the resulting offspring be?

a)

Homozygous dominant

b)

Homozygous Recessive

c)

Heterozygous

d)

Heterozygous

Recessive

34.

What does a Punnett Square do?

a)

tell you exactly what your offspring will look like

b)

increase the chance you pass on recessive traits

c)

predict genotypes and phenotypes in offspring

d)

have no purpose but for Taylor to give us extra assignments

35.

What genotype would go in box 3?

a)

BB

b)

Bb

c)

bb

36.

In rabbits, black color is dominant to white color. What is the resulting offspring phenotypic ratio of a cross between a heterozygous black rabbit and a white rabbit? (This example follows simple inheritance)

a)

100% black rabbits

b)

50% Black, 50% White

c)

0% Black, 100% White

d)

25% Black, 75% White

37.

Colorblindness is a sex-linked, recessive trait. Two people are married and decide to have children. The genotypes of the parents are: XⁿY and X^NXⁿ.

Which of the following statements is true about both parents?

a)

Both are colorblind

b)

Both parents are Carriers

c)

The father is colorblind, mother is a carrier

d)

The mother is colorblind, father is a carrier

38.

Colorblindness is a sex-linked, recessive trait. Two people are married and decide to have children. The genotypes of the parents are: XⁿY and X^NXⁿ.

If these parents have a son that is colorblind, where did he inherit this trait from?

a)

Mother

b)

both parents

c)

Father

d)

Neither

39.

Colorblindness is a sex-linked, recessive trait. Two people are married and decide to have children. The genotypes of the parents are: XⁿY and X^NXⁿ.

Select all the possible genotypes of daughters in this family?

a)

X^NXⁿ

b)

X^NX^N

c)

XⁿXⁿ

d)

XⁿY

40.

If a father is AA and a mother is AB, what is the probability for a child with AB blood?

a)

0%

b)

25%

c)

50%

d)

75%

41.

If two parents have type AB blood, what is the probability that their child will have type O blood?

a)

0%

b)

25%

c)

50%

d)

100%

42.

If a father is AA and a mother is AB, what is the probability for a child with AB blood?

a)

0%

b)

25%

c)

50%

d)

75%

43.

if a person has an A phenotype what could be the genotype

a)

AA

b)

BO

c)

AO

d)

OO

44.

A person with type B blood (genotype BO) has children with a type AB person. What blood types are possible among their children?

a)

Blood types: AO, AB, BB, and BO

b)

Only blood types AB and BO

c)

Only blood type BO

d)

Only blood types AB, BO, and BB

45.

In some species of chickens, feather color is inherited in a codominant pattern. The allele for black chickens is B and the allele for white chickens is W. When an offspring has both a B and W allele, the resulting chicken is speckled black and white.

What is the genotype of a speckled chicken?

a)

BW

b)

WW

c)

BB

d)

Bb

46.

In some species of chickens, feather color is inherited in a codominant pattern. The allele for black chickens is B and the allele for white chickens is W. When an offspring has both a B and W allele, the resulting chicken is speckled black and white.

What is the genotype of a speckled chicken?

a)

BW

b)

WW

c)

BB

d)

Bb

47.

In some species of chickens, feather color is inherited in a codominant pattern. The allele for black chickens is B and the allele for white chickens is W. When an offspring has both a B and W allele, the resulting chicken is speckled black and white.

What is the resulting offspring phenotypic ratio of a cross between a speckled chicken and a homozygous white chicken?

a)

50% white and 50% speckled chickens

b)

50% speckled and 50% black chickens

c)

100% white chickens

d)

100% black chickens

Genetics (Final Review)

Total questions: 47

Worksheet time: 51mins

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