Law of Segregation

Q. In Antirrhinum (Snapdragon), a red flower was crossed with a white flower and in $F_1$ generation pink flowers were obtained. When pink flowers were selfed, the $F_2$ generation showed white, red and pink flowers.

Choose the incorrect statement from the following.

1. Law of segregation does not apply in this experiment
2. This experiment does not follow the principle of dominance
3. Pink colour in F1 is due to incomplete dominance.
4. Ratio of F2 is $\frac{1}{4}\left(Red\right):\frac{2}{4}\left(Pink\right):\frac{1}{4}\left(White\right)$

Q. Assertion (A): For a particular character in an individual, each gamete gets only one allele
Reason (R): Chromatids of chromosomes separate and move towards opposite poles during anaphase of mitosis

1. Both A and R are true and R is the correct explanation of A
2. Both A and R are true and R is not the correct explanation of A
3. A is true but R is false
4. Both A and R are false

Q. A human male produces sperms with the genotypes AB, Ab, aB, and ab pertaining to two diallelic characters in equal proportions. What is the corresponding genotype of this person?

1. AABB
2. AaBb
3. AaBB
4. aabb

Q.

Which one of the following individuals can produce sixteen different gametes?

1. AaBbccDd

2. AaBbccDDEeFf

3. AaBbCcddEEFF

4. AaBbCcDDEeFf

Q.

The monohybrid genotypic ratio 1:2:1 in $F_2$ generation indicates ___.

1. Segregation

2. Independent assortment

3. Dominance

4. Incomplete dominance

Q. Which of the following plants is an example for an exception to Mendel’s law of dominance?

1. Lathyrus odoratus
2. Antirrhinum majus
3. All of the above
4. Pisum sativum