Which sentence is FALSE?

All organisms have 23 pairs of DNA.

DNA is made out of 4 chemicals: adenine, cytosine, thymine, guanine

In order for a recessive trait to be shown, an organism must contain _________ .

1 dominant + 1 recessive allele

Why may you look like your relatives?

because you share similar genes

Because you have the same exact genes

because you're identical clones

What do genes have to do with traits?

traits and genes are the same thing

traits have nothing to do with genes

What is the phenotype of the offspring? (A-Brown hair; a-blond hair)

75 % Brown Hair and 25% Blond Hair

50 % Brown Hair and 50% Blond Hair

25 % Brown Hair and 75% Blond Hair

0% Brown Hair and 100% Blond Hair

Tay-Sachs is a recessive disorder and is written as a t. If 2 people who are heterozygous for Tay-Sachs have 4 children, how many of their offspring will most likely inherit and develop Tay-Sachs disease?

1 because only one child will be homozygous recessive

None because none of the children will be homozygous dominant

3 because three of the children will inherit a dominant allele

4 because all students will inherit one recessive allele

How do the the gametes produced through meiosis compare to the original cell?

The gametes have half the number of chromosomes as the parent cell and are genetically different

The gametes are identical to the parent cell and to each other

The gametes have double the amount of chromosomes as the parent cell

The gametes have half the number of chromosomes as the parent cell but are identical to each other

How does meiosis affect genetics?

It allows offspring to receive the correct number of chromosomes which is half from each parent

It allows offspring to receive only the good genes

It allows offspring to be identical to the parent cells

It prevents mutations from being passed down

A rat eats a piece of food contaminated in radiation. The radiation causes a mutation to occur in the eyes of the rat. The mutation...

will not get passed down to offspring because it did not happen in a sex cell

will get passed down to offspring because it happened in a body cell

will spread to rats in the community because it is a recessive trait

Unit 6&7: Genetics Exam

Authored by ASHLEY PARK

Biology

9th - 12th Grade

prokaryotic covered

Used 1+ times

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

G = green, g = yellow
The genotype for a yellow plant is...

all of the choices result in yellow

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Magda is a tall, 11 year old drummer. She has a scar on her right cheek. She is good at swimming. Which of her traits did Magda most likely inherit?

height

the scar

ability to swim

ability to play drums

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

a dominant trait

a recessive trait

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following genotypes would be considered heterozygous?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a phenotype?

Black fur

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the percentage of offspring that have green pods?

100%

75%

50%

25%

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the phenotype of the heterozygous parent in the punnett square?

green

yellow

hybrid

purebred

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Unit 6&7: Genetics Exam

G = green, g = yellow
The genotype for a yellow plant is...

Magda is a tall, 11 year old drummer. She has a scar on her right cheek. She is good at swimming. Which of her traits did Magda most likely inherit?

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

Which of the following genotypes would be considered heterozygous?

Which of the following is a phenotype?

What is the percentage of offspring that have green pods?

What is the phenotype of the heterozygous parent in the punnett square?

In this punnett square, which is the dominant trait?
The B stands for bud.

Which of the following genotypes is a purebred?

A phenotype is the...

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Biology

Unit 6&7: Genetics Exam

G = green, g = yellowThe genotype for a yellow plant is...

Magda is a tall, 11 year old drummer. She has a scar on her right cheek. She is good at swimming. Which of her traits did Magda most likely inherit?

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

Which of the following genotypes would be considered heterozygous?

Which of the following is a phenotype?

What is the percentage of offspring that have green pods?

What is the phenotype of the heterozygous parent in the punnett square?

In this punnett square, which is the dominant trait?The B stands for bud.

Which of the following genotypes is a purebred?

A phenotype is the...

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Biology

G = green, g = yellow
The genotype for a yellow plant is...

In this punnett square, which is the dominant trait?
The B stands for bud.