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Quiz Review 7.1, 7.2, 7.3

Total questions: 39

Worksheet time: 56mins

Name
Class
Date
1.

In humans, the haploid number of chromosomes is ____.

a)

23

b)

46

c)

69

d)

92

2.

Which of the following is the best definition for MEIOSIS?

a)

the process of two haploid cells uniting

b)

the counting of chromosomes within a diploid cell

c)

a two-step process that reduces the number of chromosomes in half such that there is only one copy of all the chromosomes

d)

the equational division of a cell into two identical copies

3.

What is unique to Prophase I- is that the duplicated chromosomes pair up to form _______.

a)

a centrosome

b)

a tetrad

c)

the mitotic spindle

d)

sister chromatids

4.

In which stage of MEIOSIS does crossing over occur? (The exchange of genetic material between chromosomes in a tetrad.)

a)

Anaphase I

b)

Metaphase I

c)

Prophase I

d)

Telophase I

5.

In Metaphase I, tetrads line up along the _______.

a)

mitotic spindle

b)

centrosomes

c)

equatorial plane

d)

contractile ring

6.

In Anaphase I, the _________ are separated by the pulling of the spindle fibers to opposite poles of the cell.

a)

homologous pairs of chromosomes

b)

sister chromatids

c)

centromeres

d)

centrosomes

7.

In Metaphase II, _________ line up on equatorial plane.

a)

homologous pairs of chromosomes

b)

single chromosomes (made up of 2 sister chromatids)

c)

tetrads

d)

centrosomes

8.

How many cells are formed at the end of Meiosis II?

a)

2

b)

3

c)

4

d)

8

9.

True or False. In Meiosis II, there are TWO cells that go through each phase at the same time.

a)

true

b)

false

10.

The products of MEIOSIS have _______ number of chromosomes.

a)

haploid

b)

diploid

11.
Are recessive traits shown with capital or lowercase letters? 
a)
Capital
b)
Lowercase
12.
The physical appearance or the way a gene looks is known as it's....
a)
genotype
b)
allele
c)
gene
d)
phenotype
13.
The mathematical chance that something will happen is known as...
a)
chance
b)
luck
c)
probability
14.
The different forms of genes are known as
a)
environment
b)
probability
c)
traits
d)
alleles
15.
An allele or gene that always shows is
a)
recessive
b)
dominant
c)
hidden
d)
present
16.
Two of the same genes for a trait (sometimes called purebred). BB or bb
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
17.
Two different genes for a trait (sometimes called hybrid). Bb
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
18.
What would the ratio for genotypes be for this Punnett Square?
a)
2Bb:2bb
b)
2BB:2Bb
c)
1BB:2Bb:1bb
d)
4Bb
19.
G = dominant green and y = recessive yellow
A fish has a Gy genotype, what will its phenotype be?
a)
yellow
b)
green
c)
greenish-yellow
d)
red
20.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
21.
A ________________________ is used to predict the possible genotype from certain parents
a)
Mendel Grid
b)
Genetic Tic Tac Toe
c)
Punnett Square
d)
Pedigree Plot
22.
Heredity is the passing of traits from _____________________ to _____________________
a)
predators to prey
b)
water to rain
c)
parents to offspring
d)
fungi to protists
23.
He is known as the father of modern day genetics.
a)
Gregory Mendel
b)
Greg Mendel
c)
Gregor Mendel
d)
Grace Mendel
24.
Which is a true statements about this picture?
a)
Brown is recessive
b)
Brown is dominant
c)
Blue is dominant
d)
Blue is codominant
25.
What are the possible phenotypes in this punnett square?
a)
Bb, bb, BB
b)
purple, white
c)
Bb, bb
d)
light purple
26.
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
27.
What is a genotype? 
a)
The genetic make up (code)
b)
The physical trait
28.
Tall is dominant to short. What is the phenotype of this organism?
Tt
a)
tall
b)
short
29.

In colorblindness, normal vision is dominant and colorblind is recessive. The alleles are B and b. It is an X-linked disorder. What is the genotype of a colorblind female?

a)

XBYB

b)

XbXb

c)

XBXB

d)

XbYb

30.

In colorblindness, normal vision is dominant and colorblind is recessive. The alleles are B and b. It is an X-linked disorder. What is the genotype of a colorblind male?

a)

XBXB

b)

XBXb

c)

XbY

d)

XBY

31.

AB blood type is an example of

a)

multiple alleles

b)

codominance

c)

x-linked trait

d)

incomplete dominance

32.

A, B, and O blood types are examples of

a)

codominance

b)

multiple alleles

c)

incomplete dominance

d)

X-linked trait

33.

Snap dragons can be red, white, or pink in color. What type of inheritance do snapdragons demonstrate?

a)

x-linked

b)

simple dominance and recessive

c)

codomoinance

d)

incomplete dominance

34.

Chickens can be black, white, or checkered. What type of inheritance do chickens demonstrate for feather colors?

a)

codominance

b)

incomplete dominance

c)

x-linked

d)

multiple alleles

35.

A trait that is controlled by more than one gene is called

a)

Polygenic Inheritance

b)

Multiple alleles

c)

Incomplete dominance

d)

Codominance

36.

A trait in which a third phenotype appears that is always a blend of the parental phenotypes is called

a)

Polygenic Inheritance

b)

Multiple alleles

c)

Incomplete dominance

d)

Codominance

37.

A trait in which a third phenotype appears which includes both parental phenotypes (neither is lost) is called

a)

Polygenic Inheritance

b)

Multiple alleles

c)

Incomplete dominance

d)

Codominance

38.

The passing of traits from parent to offspring is known as:

a)

biology

b)

F1 generation

c)

F2 generation

d)

heredity

39.

Genetics is the study of how traits are inherited. Who is the father of Genetics?

a)

Mendel

b)

Curie

c)

Darwin

d)

Mendeleev

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