Class 12 · ICSE · Biology

Principles of Inheritance and Variation

Mendel's laws, incomplete dominance, codominance, linkage, sex determination, pedigree analysis and genetic disorders.

Questions

6 questions in this chapter.

Answer available
Class 12 · Biology · Principles of Inheritance and Variation
What is linkage, and how did Morgan demonstrate it?
3 marksMediumShort answer
Answer available
Class 12 · Biology · Principles of Inheritance and Variation
Explain a test cross and state what it is used for.
3 marksMediumStructured
Answer available
Class 12 · Biology · Principles of Inheritance and Variation
Describe the ABO blood group system as an example of multiple allelism and codominance.
3 marksMediumShort answer
Answer available
Class 12 · Biology · Principles of Inheritance and Variation
A colour-blind man marries a woman with no history of colour blindness in her family. State the condition of their sons and daughters.
3 marksMediumApplication based
Answer available
Class 12 · Biology · Principles of Inheritance and Variation
Explain incomplete dominance and codominance with one example of each.
3 marksMediumStructured
Answer available
Class 12 · Biology · Principles of Inheritance and Variation
Name three genetic disorders in human beings and state the cause of each.
3 marksMediumShort answer