HEREDITY
INCOMPLETE DOMINANCE
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Two parents think THEIR baby was switched at the hospital. Lulu (mom) has blood type A, and Caesar (dad) has blood type B. The baby has blood type AB. What is the mom’s possible genotype? check all that apply
|
|
Iᴬi
|
|
|
IᴬIᴬ
|
|
|
Iᴮi
|
|
|
IᴮIᴮ
|
Explanation:
Detailed explanation-1: -Believe it or not, in this case having a blood type different from either parent is by far the most common result. In most cases, an O parent and an AB parent will have only A or B kids.
Detailed explanation-2: -Two parents with A blood type can produce a child with either A or O blood types. Two parents with B blood type can produce a child with either B or O blood type. One parent with A and another with B can produce a child with A, B, AB or O blood types.
Detailed explanation-3: -The ABO blood type is inherited in an autosomal codominant fashion. The A and B alleles are codominant, and the O allele is recessive.
Detailed explanation-4: -The chance for AB blood group is 37.5% .
There is 1 question to complete.