Question

Which of the following statements is FALSE about codominance?
A. It is a pattern of inheritance which does not follow Mendel's Genetic Laws.
B. It is a pattern of inheritance which shows the blending of traits of the
parents.
C. It is a pattern of inheritance in which one allele is not dominant over the
other.
D. It is a pattern of inheritance wherein the heterozygote shows the traits of
both parents.

Answer 1

Answer:

C) it is a pattern of inheritance in which one allele is not dominant over the other......

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Answer 2

Answer:

The false statement about co-dominance is option (C) stating that it is a pattern of inheritance which shows the blending of traits of the parents.

Explanation:

• When the two alleles of a contrasting character are distinguishably expressed I heterozygous condition, then it is generally referred as co-dominance.
• Simply, when both alleles are equally dominant.
• The ABO blood grouping in humans is the best example for co-dominance.
• The blood group as a character is controlled by three alleles namely IA, IB and IO distinguished on the basis of the presence of certain antigens.
• IO is the recessive allele but IA and IB are equally expressed in the heterozygous condition and referred to as the AB blood group.
• There is no specification for dominant alleles so, the Mendelian laws of inheritance are not applicable here.

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