AP BIOLOGY

HEREDITY

MULTIPLE ALLELES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
You have two dogs, one white and one brown. They have puppies, and all of the puppies are brown and white spotted!! What is the inheritance pattern?
A
Mendelian dominant
B
incomplete dominant
C
multiple allele
D
co-dominant
Explanation: 

Detailed explanation-1: -For example: Black is the colour commonly seen in dogs. This shows that black is the dominant gene in dogs, represented by BB. The genotypes like BB and Bb represents dominant black.

Detailed explanation-2: -Fur color, pattern, and eye color all are inherited from the parents of an animal. These are not things he has learned or likes to do; these are traits that he was born with.

Detailed explanation-3: -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-4: -An example of codominance is the roan cow which has both red hairs and white hairs. In incomplete dominance a heterozygous individual blends the two traits. An example of incomplete dominance is the pink snapdragon, which receives a red allele and white allele.

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