Free Printable Bio Honors Final Exam Review

Worksheets

Bio Honors Final Exam Review - Part Two

Total questions: 50

Worksheet time: 1hrs 23mins

Name

Class

Date

Who is known as the "father of genetics"?

Charles Darwin

Karl Ernst von Baer

Gregor Mendel

Francis Franklin

A HETEROZYGOUS individual would have the genotype:

In pea plants, tall (T) plant alleles are dominant to short (t) plant alleles. If two tall plants (each with the genotype Tt) are crossed, what is the probability that the cross would result in a short pea plant?

25%

50%

75%

100%

Genes determine the characteristics, or __?__, that an individual can have.

chromosomes

cells

genetics

traits

Sections of DNA on a chromosome are called:

nuclei.

RNA.

genes.

traits.

What do we call the result of the genotype (for example, the color of the peas)?

Visible traits

Physiotrait

Genotype 2

Phenotype

If a pea plant were homozygous recessive for height, how would its alleles be represented?

Based off this punnett square, what fraction of the offspring will have wrinkled, yellow seeds?

9/16

3/16

1/16

16/16

incomplete dominance means that there traits are,,,

expressed equally

dominant

recessive

blended

10.

What pattern of inheritance is shown in this image?

Codominance

Incomplete dominance

Complete dominance

11.

What pattern of inheritance is shown in this image?

Codominance

Incomplete dominance

Complete dominance

12.

A man with type AB blood is accused of being the father of a type O baby. The mother is type A. Could this man be the father?

Yes

13.

A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?

Incomplete Dominance

Codominance

Independent assortment

Recessive inheritance

14.

A roan cow shows co-dominance in fur color (red and white). What is the phenotype ratio expected if a roan cow and a roan steer mate together?

4/4 Red and White

2/4 Red, 2/4 White

2/4 Red, 2/4 Roan, 0/4 White

1/4 Red, 2/4 Roan, 1/4 White

15.

Snap dragon color is a incomplete dominant trait. A red flower (RR) is crossed with white flower (R'R')? What color are flowers that are RR'?

Red

Red and White

White

Pink

16.

There are many different alleles for fur color in cats. What is this an example of?

Codominance

Incomplete Dominance

Multiple Alleles

Polygenic Traits

17.

What is the genotype of a person with type A blood, who had a father with type O blood?

18.

What are the blood types of the possible children that a woman (type O) and man (type AB) can have?

O and AB

O and A

O and B

A and B

19.

A breed of chicken shows codominance for feather color. One allele codes for black feathers, another codes for white feathers. The feathers of heterozygous chickens of this breed will be:

all black

all white

all gray

speckled black and white

20.

What type of inheritance pattern is shown here?

Codominance

Incomplete dominance

21.

Some flowers are controlled by codominance. Red flowers (F^RF^R), blue flowers (F^BF^B) and Speckled flowers (F^RF^B).

Cross a red flower with a speckled flower. What is the phenotypic ratio?

50% red, 50% speckled

25% red, 25% blue

100% blue

22.

Which of the following genotypes belongs in the red box in the Punnett square?

X^BX^B

X^bX^b

X^bY

X^BY

23.

What is the genotype of the father?

AA or aa

24.

What percentage of the female offspring will be a carrier for this recessive disease?

50%

100%

25%

25.

Hemophilia is a recessive x-linked disorder.
Which genotype represents a female who is a carrier for hemophilia?

X^HX^h

X^hX^h

X^HX^H

X^hY

26.

Match the following

Homozygous Dominant

Heterozygous

Homozygous Recessive

27.

The Himalayan Chinchilla can be different varieties of colors based on inheriting combinations of the C allele, C^ch, or C^hallele

Polygenic Inheritance

Pleiotropy

Codominance

Multiple Alleles

28.

Match the parental cross with the predicted offspring phenotypes.

Homozygous for brown crossed with chinchilla-colored

100% brown

Homozygous for chinchilla crossed with Himalayan-colored

100% chinchilla

Homozygous for Himalayan crossed with albino

100% Himalayan

Heterozygous for brown and chinchilla crossed with albino

50% brown, 50% chinchilla

29.

Which of the following genotypes belongs in the red box in the Punnett square?

X^BX^B

X^bX^b

X^bY

X^BY

30.

In fruit flies, eye color is a sex-linked trait. Red (R) is dominant to white (r).

Which genotype shows a female fly with white eyes?

$X^{R^{ }}X^r$

$X^RX^R$

$X^rX^r$

31.

Match the following. H= no hemophilia, h = hemophilia

Male without hemophilia

X^HY

Female with hemophilia

X^hX^h

Female Carrier

X^H X^h

Male with hemophilia

X^hY

Female who is NOT a carrier

X^HX^H

32.

Colorblindness is more common in males than in females because......

fathers pass the allele for colorblindness to their sons only

the allele for colorblindness is located on the Y chromosome

the allele for colorblindness is recessive and located on the X chromosome

males who are colorblind have two copies of the allele for colorblindness

33.

Colorblindness is a sex-linked recessive trait. A colorblind woman marries a male with normal color vision. What is the percent chance of them having a color blind son?

25%

50%

75%

34.

What does A indicate?

A male that has the trait.

A female that has the trait.

A female that does not have the trait.

A male that does not have the trait.

35.

What is the mode of inheritance shown here?

Recessive because it "skips" a generation

Dominant because it shows up in every generation

36.

Does this pedigree show a dominant or recessive trait?

Dominant

Recessive

37.

What goes in box 3

Aabb

AABB

AAbb

aaBb

38.

Cross foliating these letters would give us what four combination

AB, AB, aB, aB

Ab, AB, Ab, ab

Ab, Ab, Ab, Ab

AB, aB, ab, aB

39.

What genotype is missing from this Punnett Square?

RrYy

RRYY

rryy

RrYY

40.

TtMm x TtMm

What would the phenotypic ratio for this dihybrid cross be?

1:2:1

1:2:1:2:4:2:1:2:1

9:3:3:1

3:1

41.

If Green (G) peas are dominant to yellow peas (g) and Round peas (R) are dominant to wrinkled seeds (r), which of the following shows the genotype for a pea plant that is homozygous recessive for yellow, and heterozygous for round?

GgRr

GGRr

GGrr

ggRr

42.

Based off this punnett square, what fraction of the offspring will have wrinkled, green seeds?

9/16

3/16

1/16

16/16

43.

A woman heterozygous for A blood marries a man heterozygous for B blood. What is the probability that they will produce offspring with AB blood?

25%

50%

75%

44.

Black hair color is dominant to white hair color in mice. Determine the phenotypic ratio for the offpring of a heterozygous black mouse and a white mouse.

4 Black: 0 White

3 Black: 1 White

2 Black: 2 White

0 Black: 4 White

45.

What fraction of offspring from the cross AaBB x Aabb will be heterozygous for both traits?

1/16

1/4

1/2

3/16

46.

Which of the following best describes the inheritance pattern of the shown pedigree?

Autosomal Dominant

Sex-Linked

Autosomal Recessive

47.

AaBbCcDd X AaBbCcDd

What is the probability that this cross will produce offspring with the genotype AaBbCcDd?

8/16

1/16

2/16

1/32

48.

In a monohybrid cross of incomplete dominance, what is the phenotypic ratio?

1:2:1

3:1

9:3:3:1

12:4

49.

In a dihybrid cross of complete dominance, what is the phenotypic ratio?

1:2:1

3:1

9:3:3:1

12:4

50.

In a cross between an individual with A blood and an individual with B blood, what is the probability of an offspring with O blood?

0/4

1/4

1/2

3/4

4/4

Reset

Bio Honors Final Exam Review - Part Two

Total questions: 50

Worksheet time: 1hrs 23mins

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