Who was Gregor Mendel?

A priest considered the Father of Genetics.

The astronomer who discovered Pluto.

A biologist who discovered viruses.

What was Mendel's big discovery?

Traits can be masked in one generation and show up in a future generation.

Traits are Not passed on to offspring.

What is a good explanation of Codominance?

Two dominant genes show traits.

Traits work together to help an organism live..

What does flipping coins have to do with genetics?

Genetics involves the probability of traits showing up in organisms.

Flipping coins is fun and exciting.

On Mars, it is preferable to have dominant green skin (G) versus red skin (g). A male with heterozygous alleles will have a little Martian with a female that has red skin. Draw a Punnet Square to show their probability for having a green-skinned Martian and then choose the correct answer.

There is a 50% chance to have a green-skinned Martian.

They will have a 100% to have a green-skinned Martian because the dominant allele will mask the red allele.

There is 0% chance to have a green-skinned Martian because you need two recessive genes to get the dominant trait.

Genetics Review

Quiz

•

Science

•

6th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-LS3-2, HS-LS3-3, HS-LS3-1

+1

Standards-aligned

Frank Bantle

Used 935+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement is true about dominant and recessive genes?

Dominant genes mask recessive genes.

Recessive genes mask dominant genes.

They are equal.

Tags

NGSS.HS-LS3-2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In alleles, capital letters show:

Recessive traits.

Dominant traits.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Homozygous means:

Different alleles. Ex: Tt

Same alleles. Ex: tt

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Heterozygous means:

Same alleles. Ex: TT

Different alleles. Ex: Tt

Tags

NGSS.HS-LS3-2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is true about genotypes?

Genotypes are the traits that show up.

Genotypes are the gene combinations.

Tags

NGSS.HS-LS3-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Phenotypes refer to:

Gene combinations.

Traits that show up.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you flip a penny one time, what is the probability of it landing on heads?

100%

75%

50%

25%

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Genetics Review

20 questions

Which statement is true about dominant and recessive genes?

In alleles, capital letters show:

Homozygous means:

Heterozygous means:

What is true about genotypes?

Phenotypes refer to:

If you flip a penny one time, what is the probability of it landing on heads?

Why do we use Punnett Squares?

Study the Punnett Square. What is the probability of a dominant trait showing up?

Study the Punnett Square. What is the probability of having heterozygous dominant traits?

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