4 scenarios :
4 scenarios
Scenario 1 :
Scenario 1 In such a scenario, we assume that both of them are not carriers of the other condition.
Labelling genes pertaining to albinism as a and pertaining to ichthyosis as i, we can work it out like such:
Scenario 2 :
In such a scenario, we assume that the mother is a carrier for ichthyosis
Labelling genes pertaining to albinism as a and pertaining to ichthyosis as i, we can work it out like such: Scenario 2
Scenario 3 :
Scenario 3 In such a scenario, we assume that the father is a carrier for albinism
Labelling genes pertaining to albinism as a and pertaining to ichthyosis as i, we can work it out like such:
Scenario 4 :
Scenario 4 In such a scenario, we assume that the father is a carrier for albinism and the mother is a carrier for ichthyosis
Labelling genes pertaining to albinism as a and pertaining to ichthyosis as i, we can work it out like such:
QUIZ :
QUIZ A heterozygous yellow, round pea is crossed to a homozygous green homozygous wrinkled pea.
What is the likelihood of having a fully homozygous offspring?
Y for the dominant yellow and y for the recessive green.
R for the dominant round and r for the recessive wrinkled.