

Dihybrid Cross Setup
Presentation
•
Science
•
9th - 10th Grade
•
Hard
Joseph Anderson
FREE Resource
11 Slides • 8 Questions
1
Genetics

2
3
Multiple Choice
What is the phenotype of an individual with the genotype BbRr?
White, smooth fur
Black, smooth fur
White, rough fur
Black, rough fur
4
5
BbRr - how to find the alleles that would be in the gametes
Match the B with the R
Match the B with the r
Match the b with the R
Match the b with the r
6
7
8
9
10
Multiple Choice
How many of the offspring would have a black, rough coat?
9
7
3
1
11
Multiple Choice
How many of the offspring would have a black, smooth coat?
9
7
3
1
12
Multiple Choice
How many of the offspring would have a white, rough coat?
9
7
3
1
13
Multiple Choice
How many of the offspring would have a white, smooth coat?
9
7
3
1
14
15
Dihybrid cross in Pea Plants
Yellow seed color (Y) is dominant to green (y)
Round seed shape (R) is dominant to wrinkled (r)
What would be the outcome of a cross between a YyRr plant and a yyrr plant
16
Multiple Choice
What would be the gametes for the YyRr plant?
YR, YR, yR, yR
YR, Yr, yR, yr
Yy, Rr, YY, RR
yy, rr, yy, rr
17
Multiple Choice
What would be the gametes for the yyrr plant?
yR, yr, Yr, YR
yy, yy, yy, yy
yr, yr, yr, yr
YR, YR, YR, YR
18
19
Multiple Choice
What is the genotype that should be in the blank square?
yyRr
YYRR
yyrr
YrYr
Genetics

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