Genes and Inheritance (10th-Biology-Chapter-17)

In this chapter you will learn:

1. Heredity, genes and their role in biological inheritance.

2. Relationship between genes and chromosomes.

3. Alleles, their origin and impact.

4. Crossing over and its significance.

5. What genes are; chemical composition and structure of DNA.

6. Significance of base sequence in DNA, replication of DNA.

7. How do genes function to produce traits?

8. Mendelian genetics; mendel, his superb work and laws of inheritance.

9. Application of mendel’s laws in human genetics; how human traits and hereditary diseases like sickle-cell anaemia are transmitted in mendelian fashion.

10. Sex determination and sex linkage in man.in heritance of human hereditary diseases like haemophilia and colour- blindness.

11. Genetic engineering; how is DNA manipulated in lab for human welfare.

12. Selective breeding and its comparison with genetic engineering.

 

Category: 9th 10th