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Chapter 6: Meiosis and Mendel

Total questions: 40

Worksheet time: 34mins

Name
Class
Date
1.
If both parents are heterozygous for a trait (Aa) what will be the ratio in a Punnett square for their offspring? 
a)
1:1
b)
3:1 
c)
100% dominant 
d)
0 % recessive 
2.
The process of meiosis produces cells with how many chromosomes in humans? 
a)
23 
b)
46
c)
47
d)
21
3.
If a trait is written Kk, each letter of the genotype represents what?
a)
one gene 
b)
one gamete 
c)
one allele 
d)
recessive trait 
4.
The likelihood that an event will occur is called?
a)
genetics 
b)
probability 
c)
genome 
d)
crossing over 
5.
The study of inheritance patterns and variation in organisms. 
a)
genetics 
b)
gametogenesis 
c)
meiosis 
d)
fertilization 
6.
This will show all of the possible genotypes that may occur in a genetic cross. 
a)
Punnett square 
b)
Mendel's rectangle 
c)
pedigree chart
d)
none of these 
7.

The type of chromosome that does not affect the sexual characteristics of an organism.

a)

autosome

b)

sex chromosome

c)

genome

d)

gamete

8.
1N = 23 would be called
a)
haploid 
b)
diploid 
c)
mitosis 
d)
none of these 
9.
The process that divides diploid cells into four haploid gametes at the end.
a)
mitosis 
b)
meiosis 
c)
fertilization 
d)
none of these 
10.
BB would be considered 
a)
heterozygous
b)
homozygous 
c)
recessive 
d)
none of these 
11.
Tt would represent 
a)
recessive 
b)
dominant 
c)
homozygous 
d)
none of these 
12.
This shows how genetic traits are passed from one generation to the next? 
a)
Punnett square 
b)
pedigree chart
c)
genome
d)
none of these
13.
Which pair below would represent a male? 
a)
XX
b)
XY 
c)
Xx
d)
Yy 
14.
sex cells (egg, sperm, pollen)
a)
games
b)
gamete
c)
somatic 
d)
neurons
15.
all the cells that make up an organism except for the gametes
a)
glial
b)
gametes
c)
somatic
d)
neurons
16.
Chromosomes that are similar in size, shape, and genetic content; in a homologous pair, one chromosome came from each of two parents
a)
homologous chromosomes
b)
chromatids
c)
zygote
d)
alleles
17.
Contain genes that will determine the sex of an individual
a)
somatic cells
b)
gametes
c)
autosomes
d)
sex chromosomes
18.
organisms only donate one copy of a gene to their gametes
a)
law of segregation
b)
law of independent assortment
c)
crossing over
d)
meiosis
19.
a piece of DNA that provides a set of instructions to a cell to make a certain protein
a)
splicesome
b)
introns
c)
genes
d)
chromosome
20.
A set of alleles that an individual has for a trait or characteristic
a)
genotype
b)
phenotype
c)
karyotype
d)
gametes
21.
The physical appearance of a trait or characteristic
a)
genotype
b)
phenotype
c)
genetic code
d)
RNA
22.
The trait not expressed when the dominant form is present
a)
excessive
b)
genetic code
c)
recessive
d)
dominant 
23.
allele pairs separate independently of each other during meiosis
a)
law of segregation
b)
law of independent assortment
c)
homozygous
d)
heterozygous
24.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
25.
In a heterozygous genotype, the ___________ allele takes over in the phenotype.
a)
recessive
b)
dominant
c)
lower case letter
d)
both 
26.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
27.

T - tall and t = short

In the punnett square below, what belongs in the missing square

a)

tt

b)

Tt

c)

Bb

d)

TT

28.

Which of the following genotypes is Purebred? Select 2 answers.

a)

aA

b)

Aa

c)

AA

d)

aa

29.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
30.

Which of the following genotypes is homozygous dominant?

a)

Yy

b)

yY

c)

yy

d)

YY

31.

Which of the following genotypes is homozygous recessive?

a)

Tt

b)

tt

c)

TT

d)

tT

32.

In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any white-flowering plant resulting from this species?

a)

rr

b)

rR

c)

RR

d)

Rr

33.

How many alleles are in the genotype for a simple trait?

a)

1

b)

2

c)

3

d)

4

34.
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
35.

What goes in box 3

a)

Aabb

b)

AABB

c)

AAbb

d)

aaBb

36.
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
37.

This image is an example of a _____________ cross.

a)

Monohybrid

b)

Dihybrid

c)

Purebred

d)

Pure Breeding

38.

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

39.

What percent of the parakeets from this cross look like the first parent in P1?

a)

7

b)

8

c)

9

d)

11

40.
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

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