MP3 3 Weeks Test Review

Biology MP3 3 Weeks Test Review

By Lorraine McCray

​Directions...

You have an unlimited amount of retakes on this review to earn up to 100 points extra credit.​

View the following video about Meiosis and answer the questions that follow.

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Meiosis

Multiple Choice

CROSSING OVER INCREASES...

• LIFE SPAN

• GENETIC VARIATION

• THE NUMBER OF OFF-SPRING

• ALL ARE TRUE

Multiple Choice

CROSSING OVER TAKES PLACE DURING

• PROPHASE II

• PROPHASE I

• INTERPHASE

• METAPHASE I

Multiple Choice

WHAT TYPE OF CELLS STORE THE GENETIC INFORMATION THAT IS PASSED TO OFF-SPRING

• BODY CELLS

• MITOSIS

• EGG

• SPERM

• EGG AND SPERM

Multiple Choice

MEIOSIS

• REDUCES THE NUMBER OF CHROMOSOMES BY ONE HALF

• PRODUCES UNIQUE SEX CELLS-1N

• ALLOWS TRAITS TO BE PASSED TO OFFSPRING

• ALL ARE TRUE

• INCREASE GENETIC VARIATION

Multiple Choice

MEIOSIS PRODUCES 4 CELLS. THE CHROMOSOME NUMBER IS ...

• DIPLOID

• HAPLOID

Multiple Choice

NORMAL HUMANS HAVE 46 CHROMOSOMES, HOW MANY WILL THE GAMETE CELLS HAVE AFTER MEIOSIS?

• 46

• 23

• 12

• 92

View the following video about Karyotypes and answer the questions that follow.

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​Some text here about the topic of discussion.

Karyotypes

Multiple Choice

A normal human has ___ pairs of autosomes and ___ pair(s) of sex chromosomes.

• 23,1
• 22,1
• 1, 22
• 1, 23

Multiple Choice

The X and Y chromosomes are known as the ___ chromosomes.

• sex
• autosome
• biological
• genetic

Multiple Choice

____ are chromosomes that contain genes for characteristics unrelated to sex. In other words, they apply to both males and females.

• autosomes
• microsomes
• cosmos
• inheritance 

Multiple Choice

Females have ____ and males have _____ chromosomes.

• XX, XY
• XY, XX
• XX, XX
• XY, XY

Multiple Choice

A person with extra 21st chromosome exhibits what genetic disorder?

• hemophilia
• heterogeneity 
• down syndrome
• dwarfism

Multiple Choice

What is the sex of the individual below?

• male

• female

View the following video about Monohybrd Crosses and answer the questions that follow.

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Monohybrid Crosses

Multiple Choice

The physical expression of a genetic trait is called a

• mutation

• genotype

• crossing over

• phenotype

Multiple Choice

The letter combinations, or allele combinations of an organism is it's...

• genotype

• phenotype

• allele

• karyotype

Multiple Choice

The following items are examples of __________.

Items: eye color, hair color, height

• homozygous alleles

• genotype

• heterozygous alleles

• phenotype

Multiple Choice

Having two of the same genes for the trait (sometimes called purebred).

• homozygous
• hetrozygous
• protein
• chromosome

Multiple Choice

Having two different genes for a trait (sometimes called hybrid).

• protein
• homozygous
• heterozygous
• genotype

Multiple Choice

Which of the genotypes below is homozygous recessive?

• Tt
• tt
• TT
• T

Multiple Choice

Which of the following genotypes would be considered heterozygous?

• BB
• gg
• Ff
• TT

Multiple Choice

T - tall and t = short
In the punnett square below, what belongs in the missing square

• tt
• Tt
• Bb
• TT

Multiple Choice

(B-brown eyes & b-blue eyes)

Cross (Dad)Bb X (Mom)BB.

List the possible genotypes from this cross.

• BB, Bb, bb

• BB

• BB, Bb

• bb,Bb

Multiple Choice

Aa, DD, Bb, yy are all examples of

• genotypes

• phenotypes

Multiple Choice

What are the possible genotypes for this cross?

• TT = 25% Tt= 50% tt=25%

• all tall

• TT= 75% tt = 25%

• Tt = 100%

Multiple Choice

Two heterozgyous tall pea plants are crossed. What is the expected phenotypic outcome for the offspring?

• 100% tall

• 50% tall, 50% short

• 75% tall, 25% short

• 100% short

Multiple Choice

What allele combination should go in the missing box?

• AA

• Aa

• aa

• none of these

Multiple Choice

In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being purple?

• 25%
• 0%
• 100%
• 50%

Multiple Choice

In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being white?

• 25%
• 0%
• 100%
• 50%

View the following video about Dihybrid Crosses and answer the questions that follow.

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​Some text here about the topic of discussion.

​Dihybrid Crosses

Multiple Choice

What gamete possibilities could come from this parent's genotype?

• AB, AB, aB, aB
• Ab, AB, Ab, ab
• Ab, Ab, Ab, Ab
• AB, aB, ab, aB

Multiple Choice

What goes in box 3

• Aabb

• AABB

• AAbb

• aaBb

Multiple Choice

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

• BBEE x bbee

• BBEe x BbEe

• BbEE x BbEe

• BBee x BBEE

Multiple Choice

What goes in box 15

• aabb

• AABB

• aaBB

• AAbb

Multiple Choice

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

• 9
• 2
• 3
• 6

Multiple Choice

What genotype is missing from this Punnett Square?

• RrYy
• RRYY
• rryy
• RrYY

Multiple Choice

What is the phenotypic ratio of a dihybrid cross of 2 heterozygous parents?

• 3:4:3:6
• 1:2:3:4
• 9:3:3:1
• 8:4:3:1