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Meiosis and Inheritance

Total questions: 29

Worksheet time: 24mins

Name
Class
Date
1.

What kind of cells are made in MEIOSIS?

a)

Haploid Gametes

b)

Diploid Somatic Cells

c)

Skin Cells

d)

Liver Cells

2.
When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurs
a)
crossing over
b)
mutagenesis
c)
hybridization
d)
fertilization
3.
The process of crossing over occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
4.
Why do we need meiosis?
a)
To double the number of chromosomes going into sex cells
b)
To halve the number of chromosomes going into sex cells
c)
To triple the number of chromosomes going into sex cells
d)
To not change the number of chromosomes going into sex cells
5.
The result of meiosis is:
a)
two diploid cells
b)
two haploid cells
c)
four diploid cells
d)
four haploid cells
6.

The chromosomes that pair up during meiosis, are called __________ chromosomes.

a)

heterozygous

b)

asexual

c)

homologous pairs

d)

genes

7.
Which of the following is NOT a gamete (sex cell)?
a)
egg
b)
sperm
c)
skin cell
d)
all of the above are gametes
8.
What phase is represented?
a)
metaphase 1
b)
metaphase 2
c)
anaphase 1
d)
anaphase 2
9.
What phase is represented?
a)
metaphase 1
b)
metaphase 2
c)
anaphase 1
d)
anaphase 2
10.
What process, and which type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
11.
What is one of the advantages, why is it better to reproduce sexually versus asexually?
a)
survival of the fittest
b)
overproduction
c)
genetic variation
d)
cloning
12.

Which of the following will only show if two alleles are present?

a)

a dominant trait

b)

heterozygous

c)

a recessive trait

d)

hybrid

13.

The genotype of this flower is....

a)

homozygous recessive

b)

heterozygous

c)

homozygous dominant

d)

white

14.

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

a)

100% Roan

b)

1:1 Red:White

c)

1:1 Red:Roan

d)

1:2:1 White:Roan:Red

e)

1:1 White:Roan

15.

Ken is blood type B and Sally is blood type A. How can they have children who are types A, B, AB, and O?

a)

Ken: IBi

Sally: IAi

b)

Ken: IBIB

Sally IAi

c)

Ken: IBi

Sally: IAIA

d)

Ken: IBIB

Sally: IAIA

16.
Orange or black fur is a single, X-linked co-dominant trait in cats.  Calico cats have white fur with patches of orange and black.  Is it true that calico cats can only be female?
a)
Yes, because they have 2 'X' chromosomes, and therefore can have both the orange and black alleles (XOXB)
b)
No, males can be calico because they can have both the alleles for orange and black (XOYB)
c)
Yes because the trait is found on the X chromosome (XOBX)
d)
No, males can be calico because the trait is found on the X chromosome (XOBY)
17.
Colorblindness is a recessive X-linked disorder.
Which genotype represents a male with normal vision?
a)
XNYN
b)
XnYn
c)
XNY
d)
XnY
18.

Jim has type AB blood. His dad could be type O.

a)
b)
c)
19.
Colorblindness is more common in males than in females because......
a)
fathers pass the allele for colorblindness to their sons only
b)
the allele for colorblindness is located on the Y chromosome
c)
the allele for colorblindness is recessive and located on the X chromosome
d)
males who are colorblind have two copies of the allele for colorblindness
20.
Males are more likely to suffer from a sex-linked disease or disorder because...
a)
males are the weaker sex
b)
males have less DNA
c)
males have 1 X chromosome, so the disorder is more likely to be expressed
d)
females are the stronger sex
21.

Bob is blood Type B and Hilda is Type A, their son Barry is Type O. What are the only possible genotypes of Bob and Hilda?

a)

Bob: IBi

Hilda: IAi

b)

Bob: IBi

Hilda: IAIA

c)

Bob: IBIB

Hilda: IAi

d)

Bob: IBIA

Hilda: IAi

22.
What gamete possibilities could come from this parent's genotype?
a)
AB, AB, aB, aB
b)
Ab, AB, Ab, ab
c)
Ab, Ab, Ab, Ab
d)
AB, aB, ab, aB
23.

What goes in box 3

a)

Aabb

b)

AABB

c)

AAbb

d)

aaBb

24.
A male beetle has the genotype Ttbb. If this beetle mates with a female with genotype TTBb, what is the chance their offspring will have the genotype TtBb?
a)
3/16
b)
4/16
c)
8/16
d)
12/16
25.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
26.
Which of the following genotypes is homozygous dominant?
a)
A
b)
Aa
c)
AA
d)
aa
27.

This image is an example of a _____________ cross.

a)

Monohybrid

b)

Dihybrid

c)

Purebred

d)

Pure Breeding

28.
Cross Two Homozygous plants
(RRYY x rryy)
R = round seeds, r  = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds? 
a)
0%
b)
25%
c)
50%
d)
100%
29.

A white mouse with red eyes is crossed with a black mouse with brown eyes. The white mouse is recessive for both of its traits. The black mouse is dominant for both of its traits.

This cross would be

a)

BBEE x bbee

b)

BBEe x BbEe

c)

BbEE x BbEe

d)

BBee x BBEE

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