Variation and genetics – Online MCQs Test – Biology MCAT

Variation and genetics / inheritance-Medical College Admission Test Preparation Notes

MCAT Biology Notes from Chapter 13 [Variation and genetics / inheritance] for Medical College Entry Test Preparation

1. Sex determination in Drosophila was done by:

 
 
 
 

2. Mendel’s law of segregation states that.

 
 
 
 

3. Each human being possesses ________ pairs of chromosomcs.

 
 
 
 

4. Type II Diabetes Mellitus usually occurs after about age:

 
 
 
 

5. Rh stands for:

 
 
 
 

6. Sex limited trait is:

 
 
 
 

7. A gene for a trait having three or more allelic forms is called:

 
 
 
 

8. Number of chromosomes present in Male Grasshopper:

 
 
 
 

9. ________ pairs of chromosomes found in Drosophila:

 
 
 
 

10. When a colour blind male marries a normal female:

 
 
 
 

11. Law of segregation suggests that each gamete has

 
 
 
 

12. In monohybrid cross the allele do not show any blending and that both the characters are recovered as such in F2 generation. This statement is explained on the basis of

 
 
 
 

13. A gene or locus which suppresses or masks the actual affect o; gene at another locus: the phenomenon called:

 
 
 
 

14. X and Y-chromosomes are called:

 
 
 
 

15. Cross appearance of intermediate character is known as:

 
 
 
 

16. Which of the following condition represents a case of co-dominant genes?

 
 
 
 

17. Erythroblastosis fetal is can occur if marriage occurs between

 
 
 
 

18. Genes that occupies a specific position called:

 
 
 
 

19. Mendel perform his famous experiments of heredity on:

 
 
 
 

20. The phenotypic ratio of plants with dominant character to those with recessive character is always close to:

 
 
 
 


Online MCQs Test preparation for Biology MCAT (Medical College Admission Test Preparation Notes) helps students practice effectively. These multiple-choice questions are taken from Chapter 13 “Variation and genetics” of the Biology MCAT textbook.
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