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Intro to Genetics review

Authored by Troy Morgan

Science

9th Grade

NGSS covered

Used 3+ times

Intro to Genetics  review
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40 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In rats, Rough fur (R) is dominant to smooth fur (r). Consider the following cross between two rats. RR x rr The parents in this cross have both have a ________ genotype.

homozygous

heterozygous

recessive

dominant

phenotype

Tags

NGSS.HS-LS3-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In rats, Rough fur (R) is dominant to smooth fur (r). Consider the following cross between two rats. Rr x Rr The parents in this cross have both have a ________ genotype.

homozygous

heterozygous

recessive

amazing

phenotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In rats, Rough fur (R) is dominant to smooth fur (r). Consider the following cross between two rats.

RR x rr

What is the phenotype of the offspring in box “B”?

Rough

Smooth

RR

RR

rr

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In rats, Rough fur (R) is dominant to smooth fur (r). Consider the following cross between two rats. Rr x rr

What is the phenotype of the offspring in box “D”?

smooth

Rough

RR

Rr

rr

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In rats, Rough fur (R) is dominant to smooth fur (r). Consider the following cross between two rats. RR x rr

What is the genotype of the offspring in box “D”?

RR

Rr

rr

smooth

rough

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In rats, Rough fur (R) is dominant to smooth fur (r). Consider the following cross between two rats.

Rr x Rr

What is the genotype of the offspring in box “D”?

RR

Rr

rr

rough

smooth

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In rats, Rough fur (R) is dominant to smooth fur (r). Consider the following cross between two rats.

RR x rr

What percentage of the offspring will be smooth?

0%

25%

50%

75%

100%

Tags

NGSS.HS-LS3-1

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