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Heredity Test Review

Total questions: 52

Worksheet time: 55mins

Name
Class
Date
1.
What did Mendel call the two kinds of traits exhibited by the pea plants (one coming from the father, one from the mother)?
a)
Genesis
b)
Elective traits
c)
Alleles
d)
Quadrants
2.
What do we call the result of the genotype (for example, the color of the peas)?
a)
Visible traits
b)
Physiotrait
c)
Genotype 2
d)
Phenotype
3.
If green is dominant over purple, then what is the genotype for this individual?
a)
Purple
b)
Green
c)
GG
d)
gg
4.
Another word for homozygous is...
a)
purebred
b)
hybrid
c)
heterozygous
d)
dominant
5.
Tt is-
a)
homozygous dominant
b)
homozygous recessive
c)
heterozygous
d)
none of these
6.
If a pea plant were homozygous recessive for height, how would its alleles be represented?
a)
TT
b)
Tt
c)
tt
d)
tT
7.
Gregor Mendel's "P" generation consisted of purple flower plants crossed with white flower plants. What were the results of this cross?
a)
All purple flower offspring
b)
All white flower offspring
c)
Some purple flowers and some white flowers
8.
A __________ is a segment of DNA that codes for a particular protein, which leads to a particular trait.
a)
Gene
b)
Allele
c)
Codon
d)
Nucleotide
9.
Which of the following best describes a GENOTYPE?
a)
The allele/genetic makeup of an organism.
b)
The physical expression of a trait.
10.
Which of the following is an example of a heterozygous genotype?
a)
RR
b)
Rr
c)
rr
11.
The letters on the TOP AND SIDE of a punnett square represent ______________.
a)
The combination of alleles in offspring.
b)
The possible alleles given by the parents following meiosis.
c)
The genotype and phenotype of offspring.
d)
The results of genetic mutations in offspring.
12.

What is the predicted percentage of homozygous recessive offspring in this cross?

a)

0%

b)

25%

c)

50%

d)

75%

13.
This type of inheritance pattern shows BOTH traits in possible offspring
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
dominant pattern
14.
Why do we see only tall plants in the second generation?
a)
The gene for tall height is dominant
b)
The gene for short height is dominant
c)
The gene for tall height is recessive
d)
The parents did not have the tall gene
15.
How are Incomplete Dominance and Co Dominance different than a normal Mendelian cross?
a)
There is no difference
b)
The heterozygous genotype has a unique phenotype
c)
There is no heterozygous genotype
d)
There is only one phenotype regardless of genotype.
16.
this image is an example of
a)
codominance
b)
dominance
c)
incomplete dominance
17.
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:
a)
all black
b)
all white
c)
all gray
d)
speckled black and white
18.

Law which states that different traits are inherited independently of each other

a)

Law of independent assortment

b)

Genetics law

19.

Law states that 1 allele is more dominant than the other. Recessive allele is only expressed when dominant is not present

a)

Law of dominance

b)

Law of inheritance

20.

If your genotype is Bb, then you can only pass a B or b to your child but you can't pass both.

a)

Law of Dominance

b)

Law of Segregation

c)

Law of Independent Assortment

21.

An organism is a hybrid genotype (Tt) but is appears tall instead of short.

a)

Law of Dominance

b)

Law of Segregation

c)

Law of Independent Assortment

22.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
23.
incomplete dominance means that there traits are,,,
a)
expressed equally
b)
dominant
c)
recessive
d)
blended
24.

What is NOT a possible genotype for someone with type B blood?

a)

IBIB

b)

IAIB

c)

IBi

25.

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

a)

IAIB

b)

IAi

c)

IAIA

d)

ii

26.

What pattern of inheritance is shown in this image?

a)

Codominance

b)

Incomplete dominance

c)

Complete dominance

27.

What pattern of inheritance is shown in this image?

a)

Codominance

b)

Incomplete dominance

c)

Complete dominance

28.

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'?

a)

Red

b)

Red and White

c)

White

d)

Pink

29.

A bubble guppy with a yellow tail has offspring with a bubble guppy with a red tail. The offspring have orange tails. What is this an example of?

a)

Codominance

b)

Incomplete Dominance

c)

Multiple Alleles

d)

Polygenic Triats

30.

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

a)

Codominance

b)

Incomplete Dominance

c)

Multiple Alleles

d)

Polygenic Traits

31.

On a pedigree, which shape represents a female?

a)

star

b)

square

c)

circle

d)

triangle

32.

On a pedigree, which shape represents a male?

a)

star

b)

square

c)

circle

d)

triangle

33.

How do you show a carrier on a pedigree?

a)

blank shape

b)

half-shaded shape

c)

solid shape

d)

striped shape

34.

How do you show an affected person on a pedigree?

a)

blank shape

b)

half-shaded shape

c)

solid shape

d)

striped shape

35.

How do you show an unaffected person on a pedigree?

a)

blank shape

b)

half-shaded shape

c)

solid shape

d)

striped shape

36.

How many children did the couple in the first generation have?

a)

3

b)

5

c)

4

d)

7

37.

In the third generation, how many display the affected trait?

a)

3

b)

4

c)

1

d)

2

38.

What type of mutation is shown?

a)

Duplication

b)

Deletion

c)

Inversion

d)

Translocation

39.

What is the gender of this person?

a)

Male

b)

Female

40.

What is the gender of this person?

a)

Male

b)

Female

41.

On what chromosome number is the mutation?

a)

21

b)

18

c)

7

d)

All

42.

What type of mutation is shown?

a)

Duplication

b)

Deletion

c)

Inversion

d)

Translocation

43.

What type of mutation is shown?

a)

Duplication

b)

Deletion

c)

Inversion

d)

Translocation

44.

To alter the DNA of an organism in order to get the traits that are desired.

a)

Genetic Engineering

b)

Selective Breeding

c)

Cloning

d)

Inbreeding

45.

Use of stem cells to treat or prevent a disease or condition by transplanting bone marrow or umbilical cord blood.

a)

Gene Therapy

b)

Inbreeding

c)

Genetic Screening

d)

Stem Cell Therapy

46.

Engineering food to make crops that can grow in poor soil conditions, resist disease, tolerate drought, repel insects, etc.

a)

Cloning

b)

Genetically Modified Food

c)

Selective Breeding

d)

Transgenic Organisms

47.

A new organism is made that has the exact same genes as the organism from which it was produced, creating an exact copy of the organism from which it came.

a)

Cloning

b)

Gene Splicing

c)

Stem Cell Therapy

d)

Transgenic Organisms

48.

The crossing of two genetically different organisms resulting in an organism that is said to have the best traits from both parents.

a)

Selective Breeding

b)

Genetically Engineered Organs

c)

Gene Therapy

d)

Hybridization

49.

Adding or deleting segments of genes to correct or get rid of genetic disorders.

a)

Gene Splicing

b)

Genetic Screening

c)

Gene Therapy

d)

Stem Cell Therapy

50.

Testing that identifies changes in chromosomes, genes, or proteins to rule out genetic disease and determine likelihood of developing a genetic disorder.

a)

Selective Breeding

b)

Genetic Screening

c)

Gene Therapy

d)

Cloning

51.

When two organisms that have very similar or the same characteristics are mated resulting in the prevalence of genetic disorders.

a)

Hybridization

b)

Cloning

c)

Inbreeding

d)

Gene Splicing

52.

We select two organisms with desired traits to serve as parents of the next generation.

a)

Gene Therapy

b)

Selective Breeding

c)

Genetically Engineered Organs

d)

Stem Cell Therapy

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