Incomplete dominance definition - quiz - Biology Articles, Tutorials & Dictionary Online

Quiz

Choose the best answer.

1. Which of the following correctly depicts incomplete dominance?

The dominant allele masks the effect of the recessive allele

Both alleles are expressed

The expression of the alleles results in an intermediate phenotype

2. Which of the following implies heterozygous alleles?

AA

aa

Aa

3. The genotypic ratio when two heterozygotes (pink) are crossed

1:1:1:1

1:2:1

4:0

4. In a test cross between two pink-flower bearing plants, how many offspring will be homozygous recessive?

One

Two

Four

5. What is the difference between incomplete dominance and codominance?

The offspring shows both parental phenotypes in incomplete dominance whereas in codominance the offspring does not show the parental phenotype

In incomplete dominance, the phenotype of the offspring will express the traits of the parents as uniformly conspicuous whereas in codominance the opposite occurs

In incomplete dominance, the phenotype of the offspring is different from those of the parents whereas in codominance, the offspring has both traits of the parents

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