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Chapter 10: Section 2-3

Total questions: 34

Worksheet time: 34mins

Name
Class
Date
1.
In a dihybrid cross
a)
one trait is crossed.
b)
two traits are crossed.
c)
four boxes are needed for the punnett square.
d)
mom's alleles are dominant.
2.

Using the dihybrid cross and key provided, what is the probability of the offspring being tall and white?

a)

9

b)

2

c)

3

d)

6

3.
Which of the following is the best example for a heterozygous genotype?
a)
AA
b)
Ab
c)
Bb
d)
bb
4.
Organisms that have 2 identical alleles for a particular trait are said to be__
a)
hybrid
b)
dominant
c)
homozygous
d)
heterozygous
5.
Which of the following genotypes is homozygous dominant?
a)
A
b)
Aa
c)
AA
d)
aa
6.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
7.
In a ____________ cross, one pair of contrasting traits are being crossed.
a)
monohybrid
b)
dihybrid
c)
trihybrid
d)
quadhybrid
8.

This image is an example of a _____________ cross.

a)

Monohybrid

b)

Dihybrid

c)

Purebred

d)

Pure Breeding

9.
Based off this punnett square, what fraction of the offspring will have wrinkled, yellow seeds?
a)
9/16
b)
3/16
c)
1/16
d)
16/16
10.
What genotype is missing from this Punnett Square?
a)
RrYy
b)
RRYY
c)
rryy
d)
RrYY
11.
Passing of traits from one generation to the next
a)
Heredity
b)
Genetics
c)
Inheritance
d)
Allele
12.
Segment of DNA on a chromosome that contains instructions for protein synthesis and controls a particular inherited trait
a)
Gene
b)
Pedigree
c)
Punnett Square
d)
Dominant
13.
An organism’s physical appearance, or visible traits
a)
Recessive
b)
Genotype
c)
Phenotype
d)
Heterozygous
14.
An organism’s genetic makeup, or allele combinations
a)
Recessive
b)
Genotype
c)
Phenotype
d)
Heterozygous
15.

Having two identical alleles for a given trait, either both dominant or both recessive

a)

Homozygous

b)

Selective Breeding

c)

Mutation

d)

Carrier

16.
What proportion of the offspring in Figure 11-4 would be expected to have white, smooth hair?
a)
9/16
b)
3/16
c)
4/16
d)
1/16
17.

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

18.

What goes in box 15

a)

aabb

b)

AABB

c)

aaBB

d)

AAbb

19.

Genes for different traits are inherited independently of each other

a)

Law of Segregation

b)

Law of Independent Assortment

c)

Multiple Alleles

d)

Co-Dominance

20.
The random distribution of chromosomes during meiosis
a)
Gamete
b)
Homologous chromosome
c)
Segregation
d)
Independent Assortment
21.

Type of reproduction where one parent cell divides to create an identical offspring

a)

Sexual Reproduction

b)

Asexual Reproduction

c)

Sex Cells

d)

Meiosis

22.
Having extra sets of chromosomes, good for increased size and higher survival.
a)
Genetic Recombination
b)
Law of Segregation
c)
Law of Independent Assortment
d)
Polyploidy
23.
New combinations of alleles due to the events of crossing over and independent assortment
a)
Law of Segregation
b)
Law of Independent Assortment
c)
Genetic Recombination
d)
Polyploidy
24.
Alleles are paired and distributed randomly during Metaphase when they line up and then continue to form random gametes
a)
Law of Segregatio
b)
Law of Independent Assortment
c)
Genetic Recombination
d)
Polyploidy
25.
Genetic variation refers to the sum total of genetic features involved in the genetic makeup of a species.
a)
true
b)
false
26.
In sexual reproduction, _____ gametes unite to produce an offspring.
a)
one
b)
two
c)
three
d)
four
27.
DNA segments are
a)
gametes
b)
genes
c)
genotypes
d)
hybrids
28.
The traits of an organism are passed to its offspring on small coded strands of DNA material called
a)
meiosis
b)
recessive traits
c)
genes
d)
heredity
29.
A tool that can help you understand how the laws of probability apply to genetics is called a?
a)
Genetic cross
b)
Hybrid
c)
Punnett Square
d)
Combination
30.
If both genes for a trait are the same, the offspring is called:
a)
purebred
b)
hybrid
c)
recessive
d)
dominant
31.
The two-letter code that describes the genetic traits of an organism is called a-
a)
Phenotype
b)
Genotype
c)
Physical Appearance
d)
Intelligence
32.

Which genes would be more likely to be "linked"?

a)

Genes that are far apart from one another on the same chromosome

b)

Genes that are located close to one another on the same chromosome

c)

They are both just as likely to be linked

33.

Which genes would be more likely to have crossing-over occur between them?

a)

Genes that are far apart from one another on the same chromosome

b)

Genes that are located close to one another on the same chromosome

c)

They are both just as likely to be have crossing-over occur between them

34.

What is the process of showing relative locations of each known gene on each chromosome?

a)

Gene crossing

b)

Gene listing

c)

Gene recalling

d)

Gene mapping

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