AP BIOLOGY

HEREDITY

INCOMPLETE DOMINANCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This type of inheritance pattern shows both traits in possible offspring
A
a. codominance
B
incomplete dominance
C
complete dominance
D
dominant pattern
Explanation: 

Detailed explanation-1: -Codominance: It is a type of dominance where the offspring show similarity to both the parents and it is due to the blending of alleles. When both the parental characters are exhibited by the F1 generation, this is called codominance. The offspring is going to be a combination of both the parent.

Detailed explanation-2: -Codominance, as it relates to genetics, refers to a type of inheritance in which two versions (alleles) of the same gene are expressed separately to yield different traits in an individual.

Detailed explanation-3: -Codominance in humans is exemplified by individuals with type AB blood. A person inheriting the alleles IA and IB will have a type AB blood because IA and IB are codominant and therefore will be expressed together.

Detailed explanation-4: -Examples of codominance in animals include speckled chickens, which have alleles for both black and white feathers, and roan cattle, which express alleles for both red hair and white hair. Codominance is also seen in plants.

Detailed explanation-5: -Codominance and Incomplete dominance are two types of genetic inheritance. Codominance essentially means that no allele can block or mask the expression of the other allele. On the other hand, incomplete dominance is a condition in which a dominant allele does not completely mask the effects of a recessive allele.

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