A canola plant with genotype Bb is selfed and its progeny are distributed as as follows....
A canola plant with genotype Bb is selfed and its progeny are distributed as as follows.
| Genotype | Number of individuals |
| BB | 100 |
| Bb | 75 |
| bb | 10 |
| Total | 185 |
For A-E, round answers to three decimal places, and include a leading zero (ex. 0.150 or 0.151).
A. What is the frequency of the BB genotype?
B. What is the frequency of the Bb genotype?
C. What is the frequency of the bb genotype?
D. What is the frequency of the B allele?
E. What is the frequency of the b allele?
Homework Answers
Answer ) To calculate the frequency of the genotypes, you needi to divide the individuals with that genotype divided by the total number of individuals taken into consideration (with all types of genotypes)
now we know, that the total number of progeny into consideration is 185
BB genotype number is 100
Bb = 75
bb = 10
Therefore
Answer 1 ) The genotype frequency of BB is 100/185 = 0.540
Answer 2) The genpotype frequency of Bb is 75/185 =0.405
Answer 3) The genotype frequency of bb is 10/185 = 0.054
now lets see the indiviidual allele frequency
B = 100*2 (BB genotype ) + 75 (Bb genotype ) = 275
b= 75 (Bb genotype ) + 10*2 (bb genotype ) = 95
Now the total number of genotypes into consideration will be 275+95= 370
Answer 4) Frequency of B allele = 275/370 = 0.743
Answer 5) Frequency of b allele = 95/370 = 0.256
i hope i was able to help you with the answers ! :)
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