Practice: Dihybrid Crosses
Authored by J Terrazas
Biology
9th Grade
NGSS covered
Used 572+ times
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10 questions
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1.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
A male beetle has the genotype Ttbb. If this beetle mates with a female with genotype TTBb, what is the chance their offspring will have the genotype TtBb? [Type the answer in fraction]
(a)
Tags
NGSS.HS-LS3-3
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Aa, DD, bB, yy are all examples of
Tags
NGSS.HS-LS3-1
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which of the following genotypes is heterozygous?
Tags
NGSS.HS-LS3-1
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which of the following genotypes is homozygous dominant?
Tags
NGSS.HS-LS3-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An organism’s genetic makeup, or allele combinations
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
6.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Cross Two Homozygous plants
(RRYY x rryy)
R = round seeds, r = wrinkled seeds Y = yellow seeds, y = green seeds
What is the probability for an offspring to have Round and Yellow seeds? [Answer in fraction]
(a)
Tags
NGSS.HS-LS3-3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-3
NGSS.HS-LS3-2
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