MEDIUM
12th CBSE
IMPORTANT
Earn 100

How are pleiotropy and Mendelian pattern of inheritance different from polygenic inheritance?

Important Questions on Principles of Inheritance and Variations

HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 5 - Principles of Inheritance and Variations>TEST QUESTIONS>Q 19
State and explain the “law of independent assortment” in a typical Mendelian dihybrid cross
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 5 - Principles of Inheritance and Variations>TEST QUESTIONS>Q 20

Explain polygenic inheritance and multiple allelism with the help of suitable examples.

HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 5 - Principles of Inheritance and Variations>TEST QUESTIONS>Q 20
Phenylketonuria is a good example that explains pleiotropy. Explain.
HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 5 - Principles of Inheritance and Variations>TEST QUESTIONS>Q 21
A Pea plant bearing axial flowers is crossed with a pea plant bearing terminal flowers. The cross is carried out to find the genotype of a pea plant bearing axial flowers. Work out the cross to show the conclusions you arrive at.
HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 5 - Principles of Inheritance and Variations>TEST QUESTIONS>Q 21
State Mendel's law of inheritance that is universally acceptable.
HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 5 - Principles of Inheritance and Variations>TEST QUESTIONS>Q 22
Write the scientific name of the organism Thomas Hunt Morgan and his colleagues worked with for their experiments. Explain the correlation between linkage and recombination with respect to genes as studied by them.
HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 5 - Principles of Inheritance and Variations>TEST QUESTIONS>Q 22
How did Sturtevant explain gene mapping while working with Morgan?.
EASY
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 5 - Principles of Inheritance and Variations>TEST QUESTIONS>Q 2
Name the plant that shows incomplete dominance with respect to the colour of its flower. (Turnera subulata/Mirabilis jalapa)