Biology Variation and Genetics Online Test MCQs

Malik TahirLast Updated: October 14, 2025

Important Biology Variation and Genetics Question and Answer

Total Questions: 50
Time Allowed: 25 Minutes
Total Marks: 50
How to Attempt Test: Please choose the right Option in MCQ-type question.
Test Helpful For: Biology Test
MDCAT Test
FPSC/PPSC/SPSC/KPPSC/BPSC/AJKPSC/NTS
Biology Interview Question Answer
Universities Entrance Test

Biology Variation and Genetics Practice Test Online With Explanation

 0%

Page 1 of 2

Uncategorized

1. Which is an example of incomplete dominance?

2. Which generation did Mendel refer to as F1?

3. A genotype of “Tt” represents a:

4. What are alternative forms of a gene called?

5. What does gene linkage refer to?

6. In a dihybrid cross, how many different phenotypes can be produced?

7. What causes variation in sexually reproducing organisms?

8. Which term describes the failure of chromosomes to separate properly during meiosis?

9. What is the genotype of a male in terms of sex chromosomes?

10. Who rediscovered Mendel’s work in the early 1900s?

11. Which of the following statements best explains Mendel’s principle of dominance?

12. What does a Punnett square help predict?

13. Which of the following disorders is caused by a recessive gene on the X chromosome?

14. In Drosophila, red eyes are dominant over white eyes. What is the expected outcome of crossing a red-eyed female (carrier) with a white-eyed male?

15. What organism did Mendel use in his inheritance experiments?

16. Which of the following is an example of a sex-linked trait?

17. What tool is used to trace inheritance patterns in families?

18. What is meant by codominance?

19. Which term describes having identical alleles?

20. If a trait is X-linked and recessive, who is more likely to express it?

21. What does the term "locus" refer to?

22. In a dihybrid cross, what phenotypic ratio is expected in the F2 generation?

23. Which of the following is a genetic disorder related to blood clotting?

24. What is a test cross used for?

25. What is the law of segregation?


 

You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.
Malik TahirLast Updated: October 14, 2025

Malik Tahir

Greetings, learners! I'm Tarry Malik, your guide to conquering the world of Exams prep and Online studies. Let's navigate the textbooks together, share study hacks, and make your educational journey a breeze.
Show 5 comments

5 Comments

Leave a Reply

Your email address will not be published. Required fields are marked *

© Copyright 2025, All Rights Reserved  |  Gotest
Back to top button