Chapter 4: Principles of Inheritance and Variation - Online Test

Q1. “Universal Donor” and “Universal Recipients” blood group are _____ and_______respectively
Answer : Option B
Explaination / Solution:
No Explaination.


Q2. ZW-ZZ system of sex determination occurs in
Answer : Option D
Explaination / Solution:
No Explaination.


Q3. Co-dominant blood group is
Answer : Option B
Explaination / Solution:
No Explaination.


Q4. Which of the following is incorrect regarding ZW-ZZ type of sex determination?
Answer : Option B
Explaination / Solution:
No Explaination.


Q5. The fruit fly Drosophila melanogaster was found to be very suitable for experimental verification of chromosomal theory of inheritance by Morgan and his colleagues because
Answer : Option D
Explaination / Solution:
No Explaination.


Q6. Which one of the following cannot be explained on the basis of Mendel’s Law of Dominance?
Answer : Option C
Explaination / Solution:
No Explaination.


Q7. ABO blood groups in humans are controlled by the gene I. It has three alleles – IA, IB and i. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur?
Answer : Option C
Explaination / Solution:
No Explaination.


Q8. Which one of the following symbols and its representation, used in human pedigree analysis is correct?
Answer : Option A
Explaination / Solution:
No Explaination.


Q9. Which one of the following conditions correctly describes the manner of determining the sex in the given example?
Answer : Option A
Explaination / Solution:
No Explaination.


Q10. A normal-visioned man whose father was blind, marries a woman whose father was also colour blind. They have their first child as a daughter. What are the chances that this child would be colour blind?
Answer : Option B
Explaination / Solution:
No Explaination.