Inheritance – Online MCQs – Biology 10th

1. Alleles of a trait express in heterozygous condition and their expression get blended to produce new phenotype called:

2. The characteristics of the offspring’s to resemble their parents is called:

3. The factor (gene) which expresses and masks the expression of other factors in the heterozygous condition is said to be:

4. The genetic variation gives rise to two or more than two alternative forms of a gene, called:

5. Living things when reproducing sexually, their offspring neither resembles exactly with one another nor with their parents. Such differences are called:

6. It is the basic unit of biological information.

7. The outer part of the DNA helix made up of sugar and phosphate is called:

8. The chemical material of a chromosome is called:

9. Both helixes are complementary to each other which are held together by:

10. Due to the presence or absence of two specific antigens on the surface of RBC, there are:

11. The inner part of DNA is made up of paired nitrogenous bases which are called:

12. Chromatin is a nucleo-protein (Deoxyribo Nucleoprotein) which is composed of DNA and:

13. Members of one pair of genes separate from each other during gametes formation is the statement of:

14. Blood groups, six fingers in a hand or afoot, tongue rolling etc. in man are common examples of:

15. Two similar chromosomes in a cell which are similar in shape, size and position of centromere called:

16. The differences in characters such as height, colour, etc. among individuals of same species ire called:

17. It is the physical appearance of the trait on the basis of inherited genes.

18. The small segment of DNA which has Information to code one protein is called:

19. Structure, character, function and behaviour of every organism is programmed and controlled by a set of instructions which are in the form of coded biological information called:

20. Which is the correct statement?