Q4. What are the possible genotypes of the offspring from the cross of the parential plants in the problem no. 1? In problem no. 2?
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Q4. What are the possible genotypes of the offspring from the cross of the parential plants in the problem no. 1? In problem no. 2?
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Explanation:
Biology: Unit 1 Module 2
Activity 1: Phenotypes and
Genotypes in Incomplete
Dominance
Q4. What are the possible genotypes of the offspring from the cross of the parental plants in problem no.1 and in problem no.2...
Answer:
For Problem 1:
The genotype of the resulting flower crossing
two pink four o'clock flowers are as follows:
The genotype of the two RED four o'clock flowers are both RW.
Crossing RW x RW will result to a
genotype of:
1. RR
2. 2RW
3. WW
(See attached Punnett Square foe better
visualization)
This means that:
• 50% the genotype of the resulting flower will be RW (Pink),
• 25% the genotype of the resulting flower
will be RR (Red).
• 25% the genotype of the resulting flower will be WW (White).
For Problem 2:
The genotype of the resulting flower crossing one red four o'clock flower and one pink four o' clock flower are as follows:
• The genotype of the RED four o'clock flowers is RR.
• The genotype of the PINK four o'clock
flowers is RW.
Crossing RR X RW will result to a genotype of:
1. 2 RR
2. 2 RW
(See attached Punnett Square foe better
visualization)
This means that:
• 50% the genotype of the resulting flower will be RW (Pink),
• 50% the genotype of the resulting flower will be RR (Red).