Intro to Genetics review
Authored by Troy Morgan
Science
9th Grade
NGSS covered
Used 3+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
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
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
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
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
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
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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