Incomplete dominance is present in

(1) Snapdragon flower

(2) Dog flower

(3) Antirrhinum flower

(4) All of the above

What is the F₂ phenotypic ratio in cases of incomplete dominance?
1. 1 : 1

2. 3 : 1

3. 1 : 2 : 1

4. 1 : 1

What does Blending inheritance refers to? 

(1) Mixed characters in an offspring

(2) Dominant character

(3) Recessive character

(4) Dominant & recessive character

Presence of more than two alleles for a gene is known as

1. Polygenic inheritance

2. Multiple allelism

3. Co-dominance

4. Incomplete dominance

In the case of co-dominance, the F₁ generation resembles:

(1) Dominant parent

(2) Recessive parent

(3) Both the parents

(4) None of the parents

In human ABO group system ________ different alleles allow the possibility of _______ different types of genotypes in population.

1.  3, 4

2.  2, 4

3.  3, 6

4.  6, 3 

Which of the following terms best describes when the phenotype of the heterozygote differs from the phenotypes of both homozygotes?

The unmodified (functioning) allele which represents the original phenotype is the $\underline{ \left(\mathrm{a}\right) }$ allele and the modified allele is $\underline{ \left(\mathrm{b}\right) }$ the $\underline{ \left(\mathrm{c}\right) }$ allele. 

1. (a) Recessive, (b) generally, (c) dominant

2. (a) dominant, (b) always, (c) recessive

3. (a) dominant, (b) generally, (c) recessive

4. (a) recessive, (b) always, (c) dominant

A pure tall - red flower plant was crossed with dwarf - white-flowered plant. In ${\mathrm{F}}_1$, all were tall with pink flowers. What is the percentage probability of getting red and pink-flowered plants respectively?

1.  25% and 50%

2.  50% and 25%

3.  Zero and 75%

4.  Zero and 50% 

In Antirrhinum (Snapdragon), a red flower was crossed with a white flower and in F₁ generation, pink flowers were obtained. When pink flowers were selfed, the F₂ generation showed white, red, and pink flowers. Choose the incorrect statement from the following: