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TRMS Heredity Review

Total questions: 92

Worksheet time: 2hrs 32mins

Name
Class
Date
1.

If two alleles are the same for a certain trait they are considered

a)

Homozygous

b)

Twins

c)

Heterozygous

d)

Common

2.

Physical traits that are expressed are known as ____________

a)

Mutation

b)

Personality

c)

Genotype

d)

Phenotype

3.

Traits that are passed from parents to offspring are always

a)

Recessive

b)

Inherited

c)

Dominant

d)

Heterozygous

4.

The passage of genetic instructions from one generation to the next is known as

a)

Alleles

b)

Ancestry

c)

Heredity

d)

Variation

5.

The genes of an organism that are written with capital or lowercase letters

a)

Pant size

b)

Deoxyribonucleic acid

c)

Genotype

d)

Gretchentype

6.

If a gene is always expressed or always shown with a capital letter it is

a)

Bossy

b)

Recessive

c)

Yelling

d)

Dominant

7.

If a certain trait has two different alleles (one dominant and one recessive) it is called __________________

a)

Homozygous

b)

Confused

c)

Differentiated

d)

Heterozygous

8.

This variation of a gene can only be expressed if it is received from both parents

a)

Shy

b)

Heterozygous

c)

Variation

d)

Recessive

9.

Different versions of the same gene are called

a)

Jeans

b)

Editions

c)

Varieties

d)

Alleles

10.

The passing of physical characteristics, or traits, from parent to offspring.

a)

Genetics

b)

Dominant allele

c)

Heredity

d)

Recessive allele

11.

An organism that is the offspring of many generations that show the same form of a trait.

a)

Heterozygous

b)

Dominant allele

c)

Purebred

d)

Genotype

12.

A trait that always shows up when the allele is present.

a)

Genotype

b)

Phenotype

c)

allele

d)

Dominant allele

13.

A trait that is always hidden when the dominant allele is present.

a)

Phenotype

b)

Recessive allele

c)

Genotype

d)

Heredity

14.

An organism that has two different alleles for a trait.

a)

Genotype

b)

Phenotype

c)

Homozygous

d)

Hybrid

15.

An organism that has two different alleles for a trait.

a)

Genes

b)

Heterozygous

c)

Genotype

d)

Dominant allele

16.

A number that describes how likely it is that an event will occur.

a)

Probability

b)

Punnett square

c)

Pedigree

d)

Genotype

17.

A chart that shows all the possible ways alleles can combine in a genetic cross.

a)

Pedigree

b)

Family tree

c)

Heterozygous

d)

Punnett square

18.

A chart or a family tree that shows the presence or absence of a trait according to the relationships within a family across several generations.

a)

Punnett square

b)

Pedigree

c)

Heredity

d)

Purebred

19.

An organism's genetic makeup or allele.

a)

Homozygous

b)

Phenotype

c)

Genotype

d)

Heterozygous

20.

An organism that has two identical alleles for a trait.

a)

Twins

b)

Heterozygous

c)

Phenotype

d)

Homozygous

21.
After Mendel died scientists began to recognize the importance of his ideas. They called him a name. What was that name?
a)
Father of genes
b)
Father of heredity
c)
Father of genetics
d)
Father of traits
22.
What is a gene?
a)
An entire chromosome that  codes for a trait
b)
a piece of clothing
c)
a piece of a DNA on chromosome that codes for a trait
d)
Chemical messengers in your brain that code for a trait
23.
Segments of DNA are called _______________________
a)
Genes
b)
Nuclei
c)
genotypes
d)
Chromosomes
24.
What is a recessive allele?
a)
A trait that is always shown (capital letter)
b)
A trait that can be hidden (lower case letter)
c)
Alleles that are the same
d)
Alleles that are different
25.
The physical traits of an organism
a)
Teletype
b)
Genotype
c)
Mesotype
d)
Phenotype
26.
The genes of an organism
a)
Mesotype
b)
Phenotype
c)
Teletype
d)
Genotype
27.
This means Same Gene
a)
Dominant
b)
Recessive
c)
Heterozygous
d)
Homozygous
28.
Genes always appear in pairs. Your parents donate ________ allele for every trait.
a)
1
b)
2
c)
23
d)
46
29.
____________________ are used to make predictions about the genotypes and phenotypes of offspring.
a)
Dominant Squares
b)
Punnett Grids
c)
Punnett Squares
d)
Recessive Squares
30.
What is Bb?
a)
Homozygous
b)
Heterozygous
c)
Recessive
d)
Alleles
31.
What are the two genotypes that show the DOMINANT Phenotype
a)
GG, gg
b)
GG, Gg
c)
Gg, gg
32.
What is the only Genotype that shows the RECESSIVE Phenotype?
a)
GG
b)
Gg
c)
gg
33.
Which of the following pairs is homozygous dominant?
a)
Hh
b)
pp
c)
HH
d)
aa
34.
How many are tall?
a)
0
b)
1
c)
2
d)
4
35.

Different versions of a gene.

a)

heredity

b)

gene

c)

allele

d)

genotype

e)

phenotype

36.

The combination of alleles that you inherited from your parents. This is what you genes look like, the letters. ex. HhGg

a)

heredity

b)

gene

c)

allele

d)

genotype

e)

phenotype

37.

Each allele in a heterozygous individual influences the phenotype.

a)

dominant

b)

recessive

c)

incomplete dominance

d)

codominance

38.

Both of the alleles in a heterozygous individual contribute to the phenotype, instead of blending, there are usually patches.

a)

dominant

b)

recessive

c)

incomplete dominance

d)

codominance

39.

Blonde hair is a....

a)

Trait

b)

Genotype

c)

Gene

40.

Genes are inherited in pairs, one from each parent.

a)

True

b)

False

41.

Alleles are different forms of a gene.

a)

True

b)

False

42.

A dominant trait: CHOOSE 2

a)

will block a recessive trait

b)

is shown with a capital letter

c)

always occurs more often

d)

is better

43.

HH is

a)

homozygous dominant

b)

homozygous recessive

c)

heterozygous

d)

neither dominant nor recessive

44.

hh is

a)

homozygous recessive

b)

homozygous dominant

c)

heterozygous

d)

neither dominant nor recessive

45.

If long hair (H) is dominant to short hair (h), what is the phenotype of Hh?

a)

Long hair

b)

Dominant

c)

Medium hair

d)

Recessive

46.

Aa is a:

a)

genotype

b)

phenotype

c)

homozygous

d)

allele

47.

How a trait appears is a

a)

phenotype

b)

genotype

c)

gene

d)

dominant

48.

Hybrid is another way of saying

a)

heterozygous

b)

purebred

c)

dominant

d)

recessive

49.

Homozygous is another way of saying

a)

Purebred

b)

Hybrid

c)

Dominant

d)

Recessive

50.

What is the probability of Aa?

a)

50%

b)

100%

c)

25%

d)

0%

51.

If brown (B) is dominant to blue (b), what are the possible phenotype(s) of this cross?

a)

Brown and blue

b)

Bb and bb

c)

Brown

d)

Bb

52.

These parents are each

a)

Homozygous

b)

Heterozygous

c)

The same

d)

Heterozygous

53.

Salamanders have a co-dominant gene for color. XX is black and BB is blue. Their offspring will be:

a)

Colored with both black and blue showing

b)

A blended color of black and blue (like a very dark blue)

c)

All black

d)

All blue

54.

Butterflies have a gene for wing color that has incomplete dominance. BB is blue and YY is yellow. Their offspring will have what genotype?

a)

BY

b)

By

c)

Green

d)

Blue

55.

Butterflies have a gene for wing color that has incomplete dominance. BB is blue and YY is yellow. Their offspring will have what phenotype?

a)

BY

b)

By

c)

Green

d)

Blue

56.
Purple flowers are dominant to white flowers. What would the phenotype for a flower with genotype pp be?
a)
purple
b)
white
c)
pink
d)
yellow
57.
Purple flowers are dominant to white flowers. What would the phenotype for a flower with genotype Pp be?
a)
purple
b)
white
c)
pink
d)
yellow
58.
TRUE OR FALSE: If at least one allele is a capital letter in the pair of genes, the recessive trait will be dominant.
a)
True
b)
False
59.
TRUE OR FALSE: A genotype of NN would be heterozygous.
a)
True
b)
False
60.
TRUE OR FALSE: A genotype of mm would be homozygous recessive.
a)
True
b)
False
61.
This is a specific characteristic, like seed color or plant height.
a)
trait
b)
allele
c)
gene
62.
This is a specific form of a gene, like green peas versus yellow peas.
a)
allele
b)
recessive
c)
dominant
63.
How many females are in this pedigree?
a)
3
b)
4
c)
6
d)
7
64.
How many of the males in this pedigree show the trait being studied?
a)
2
b)
3
c)
4
d)
6
65.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
66.
Which individual in the first generation is a carrier?
a)
The male
b)
The female
c)
individual 1
d)
None of the above
67.
How many kids did the mother and father from the first generation have?
a)
2
b)
4
c)
5
d)
6
68.
How many boys did the mother and father from the first generation have?
a)
2
b)
4
c)
5
d)
6
69.
How many girls did the mother and father from the first generation have?
a)
2
b)
4
c)
5
d)
6
70.
In the second generation-how many people have the disease or display the physical trait?
a)
2
b)
4
c)
5
d)
6
71.
In the second generation-how many people are carriers of the trait?
a)
2
b)
3
c)
5
d)
6
72.
How many individuals are there in the 3rd generation?
a)
2
b)
3
c)
4
d)
6
73.
How many people in this whole pedigree have the trait/disease?
a)
2
b)
3
c)
4
d)
6
74.
How many kids did the mother and father from the first generation have?
a)
2
b)
4
c)
5
d)
6
75.

In a pedigree chart, a male is represented by a

a)

circle

b)

square

c)

rhombus

d)

triangle

76.

In a pedigree chart, a female is represented by a

a)

circle

b)

square

c)

rhombus

d)

triangle

e)

rectangular prism

77.
What is the symbol for an Affected Male? 
a)
Half Circle 
b)
Half Square 
c)
Full Shaded Circle 
d)
Full Shaded Square 
78.
How many carrier males are present? 
a)
2
b)
4
c)
6
d)
8
79.

How are individuals III-2 and II-4 related?

a)

Cousins

b)

Dad and Daughter

c)

Uncle and Niece

d)

Grandpa and Granddaughter

80.

What must the genotype of individual II-3 be?

a)

HH

b)

Hh

c)

hh

d)

None of the above

81.
What do half colored symbols represent?
a)
The individual is a carrier (heterozygous).
b)
The individual expresses the trait.
c)
The individual has both recessive alleles.
d)
The individual has both dominant alleles.
82.
How many people in the pedigree are carriers for the disorder? 
a)
6 
b)
8
c)
2
d)
9
83.

How many people in this whole pedigree are homozygous?

a)

7

b)

3

c)

8

d)

6

e)

5

84.

What must the genotype of individual III-2 be?

a)

HH

b)

Hh

c)

hh

d)

None of the above

85.

How are individuals III-2 and I- 1 related?

a)

Cousins

b)

Dad and Daughter

c)

Uncle and Niece

d)

Grandpa and Granddaughter

e)

Siblings

86.

How are individuals III-2 and III-1 related?

a)

Cousins

b)

Dad and Daughter

c)

Uncle and Niece

d)

Grandpa and Granddaughter

e)

Siblings

87.
This type of inheritance pattern shows BOTH traits in possible offspring
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
dominant pattern
88.

Codominance occurs in chickens, which allows them to be Black, White, or black and white as shown on this Punnett square. What percentage of the offspring will be black and white?

a)

25

b)

50

c)

75

d)

100

89.

Using this Punnett Square, what is the probability that the off spring will have blue eyes?

a)

25%

b)

75%

c)

0%

d)

100%

90.

Using this Punnett Square, is the trait for blue eyes recessive or dominant?

a)

Recessive

b)

Dominant

91.

What is the ration for this Punnett Square?

a)

3:1

b)

1:2:1

c)

2:2

92.

What percentage of the offspring would be considered homozygous recessive?

a)

50%

b)

25%

c)

100%

d)

75%

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