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Mr. Shamp's Heredity Quiz

Total questions: 23

Worksheet time: 19mins

Name
Class
Date
1.

The passing of traits from parent to offspring.

a)

genetics

b)

heredity

c)

genotype

2.
Magda is a tall, 11 year old drummer. She has a scar on her right cheek. She is good at swimming. Which of her traits did Magda most likely inherit?
a)
height
b)
the scar
c)
ability to swim
d)
ability to play drums
3.
A dog gives birth to 5 puppies. What percentage of the chromosomes does each puppy share with the mother?
a)
25%
b)
50%
c)
75%
d)
100%
4.

What are the alternative forms of a gene is called?

a)

alleles

b)

phenotypes

c)

heredity

d)

Dominant

5.

A handy tool used to show probability

a)

Genotype

b)

Punnett Square

c)

Bar Graph

d)

50/50

6.
An offspring will receive how many alleles from each parent to determine a specific trait?
a)
one
b)
two
c)
three
d)
five
7.

Genotype refers to the ...

a)

physical expression of the genes

b)

the possible combination of alleles in a gene

c)

whether an allele is dominant or recessive

d)

how an organism will appear

8.

What does heterozygous mean?

a)

An organism that has the same alleles for a trait

b)

An organism that has different alleles for a trait

c)

When neither allele is fully dominant; offspring is a mixture of both

d)

the different forms of a trait (hair color--> brown, blonde, red

9.

What does homozygous mean?

a)

An organism that has the same alleles for a trait

b)

An organism that has different alleles for a trait

c)

When neither allele is fully dominant; offspring is a mixture of both

d)

the different forms of a trait (hair color--> brown, blonde, red

10.
A heterozygous yellow pea plant's genotype would be:
a)
YY
b)
yy
c)
Yy
d)
Yg
11.

A homozygous yellow pea plant's genotype would be:

a)

YY

b)

Gy

c)

Yy

d)

Yg

12.
A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?
a)
100% BB
b)
75% BB and 25%Bb
c)
50 % BB and 50% Bb
d)
50% Bb and 50% bb
13.
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
a)
0 %
b)
25%
c)
50%
d)
75%
14.
Incomplete dominance means that the traits are
a)
expressed equally
b)
dominant
c)
recessive
d)
blended
15.

Which phenotype shows incomplete dominance?

a)

Red Flower

b)

Pink Flower

c)

White Flower

d)

None of the above

16.

What is the difference between a dominant and a recessive allele?

a)

A dominant allele will cover up the recessive allele.

b)

A recessive allele will cover up the dominant allele.

c)

Both have the same effect on the organism.

d)

Dominant alleles are only inherited from your father.

17.

What is the difference between phenotype and genotype?

a)

Genotype is the genetic makeup of an organism and phenotype is the physical appearance of an organism.

b)

Genotpe is the physical appearance of an organism and phenotype is the genetic makeup of an organism

18.
If T=Tall & t=short, what is the genotypic ratio?
a)
1:3
b)
3:1
c)
1:2:1
d)
2:2
19.

If T=Tall & t=short, what is the phenotypic ratio of tall to short?

a)

1:3

b)

3:1

c)

1:2:1

d)

2:2

20.
Sex cells are produced through the process of
a)
mitosis
b)
cytokinesis
c)
binary fission
d)
meiosis
21.

What is another term we can use for a sex cell?

a)

Genotype

b)

Mitosis

c)

Probability

d)

Gamete

22.

What is one advantage of sexual reproduction?

a)

offspring are identical to parents

b)

offspring are resistant to viruses

c)

offspring are born live, rather than from eggs

d)

offspring inherit a wider variety of genetic information

23.

DNA is tightly wound to form

a)

Proteins

b)

Chromosomes

c)

Cells

d)

Fortnite