First slide

Inheritance of One Gene

Question

A gene showing incomplete dominance

Easy

A

Has F1 phenotype that does not resemble either of the two parents and is in between the two.
B

When F1 is self-pollinated the F2 result in 3:1 ratio for both genotype and phenotype
C

Has one allele dominant over the other
D

Had F1 generation that resembles both parents.

Solution

In incomplete dominance the F1 had a phenotype that did not resemble either of the two parents and was in between the two. The inheritance of flower colour in the dog flower (snapdragon or Antirrhinum sp.) is a good example to understand incomplete dominance. If a red coloued flower is crossed with white colour flowered the F1 generation will have pink coloured flower. Therefore, we can clearly observe that the phenotype was in between the phenotype of the two parents

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