Inheritance is the passing on of characteristics from one generation to the next. Chromosomes are structures in cells that contain genes, which are segments of DNA that code for particular traits. Alleles are variations of a gene that can cause differences in a characteristic. A dominant allele will be expressed over a recessive allele. An individual's genotype refers to their genetic makeup, while their phenotype describes their observable physical traits.

1. INHERITANCE

2. Some important terms :
• Inheritance
• Chromosome
• Gene
• Allele
• Dominant gene
• Recessive gene
• Homogenous
• Heterogenous
• Phenotype
• Genotype

3. Inheritance
• Passing on of characteristics from one generation to
the next

4. Chromosome
• Long thread like structure in the nucleus of a
cell.

5. Genes
• Small section of DNA coding for a particular
character

6. Alleles
• Variation in a characteristic caused by different
forms of a gene

7. In humans

8. Sex chromosomes
IN MALES IN FEMALES

9. Observe

12. • DOMINANT ALLELE
The character which is expressed
Eg. Spotted coat in leopard
• RECESSIVE ALLELE
The character which is supressed
Eg. Black coat in black panther

13. HOMOZYGOUS
• An individual with two identical alleles for a
gene

14. HETEROZYGOUS
• An individual with two different alleles for a
gene

17. GENOTYPE
• The genetic makeup of an organism

18. PHENOTYPE
• The physical appearance of an organism