ExamGOAL
Books
11
MCQ (Single Correct Answer)

Mendel's law of independent assortment holds good for genes situated on the

A

non-homologous chromosomes

B

homologous chromosomes

C

extra nuclear genetic element

D

same chromosome

12
MCQ (Single Correct Answer)

Occasionally, a single gene may express more than one effect. The phenomenon is called

A

multiple allelism

B

mosaicism

C

pleiotropy

D

polygeny

13
MCQ (Single Correct Answer)

In a certain taxon of insects some have 17 chromosomes and the others have 18 chromosomes. The 17 and 18 chromosome-bearing organisms are

A

males and females, respectively

B

females and males, respectively

C

all males

D

all females

14
MCQ (Single Correct Answer)

The inheritance pattern of a gene over generations among humans is studied by the pedigree analysis. Character studied in the pedigree analysis is equivalent to

A

quantitative trait

B

Mendelian trait

C

polygenic trait

D

maternal trait

15
MCQ (Single Correct Answer)

It is said that Mendel proposed that the factor controlling any character is discrete and independent. This proposition was based on the

A
results of $\mathrm{F}_3$-generation of a cross
B

observations that the offspring of a cross made between the plants having two contrasting characters shows only one character without any blending

C

self-pollination of $F_1$ offsprings

D

cross-pollination of $F_1$-generation with recessive parent