Genetic Crosses Flashcards
RRxRR (do in goodnotes)
Offspring:
100% R
Dominant
RrxRR (do in goodnotes)
Offspring:
Dominant
100% R
RRxRr (do in goodnotes)
Offspring:
Dominant
100% R
Rrxrr (do in goodnotes)
Offspring:
50% R
50% r
rrxRr (do in goodnotes)
Offspring
50% R
50% r
1:1
rrxrr (do in goodnotes)
Offspring:
100% r
Recessivw
RrxRr
Offspring:
75% R
25% r
3:1
What comes first when doing a punnet square method?
Parents phenotypes
What is an example of the parents phenotype
Straight Curly
What comes second when doing a punnet square method?
Parents genotypes
What is an example of the parents genotypes?
RR. X. rr
What comes third when doing a punnet square method?
The gametes
What is the Gametes? (easy)
The parents genotype but broken down
RR = R. R
rr = r r
What is a Gamete
The sex cells
What comes forth when doing a punnet sqaure method?
The genetic cross (the punett square)
What comes fifth when doing a punnet sqaure method?
Offspring phenotype
What is the offspring phenotype?
The parents phenotypes results from the punett square
What is an example of a offspring phenotype?
RR x rr
Straight, straight, curly, curly
What comes sixth when doing a punnet sqaure method?
Offspring genotype
What is the offspring genotype?
The results from the punnet square in genotype form
Example of offspring genotype
RR, RR, rr, rr
What comes seventh when doing a punnet sqaure method?
The probabilities
What would the probability percentage be for RRxrr?
100% R
0% r
What would the probability ratio be for RRxrr?
1
Which allele will always be expressed?
The Dominant Allele