Write a small essay supporting that genes are the cause to form different characters in organisms.

Explanation

1. A gene is the sec tion of DNA on a chromosome which controls a specific characteristic of the organism.
2. A gene is a unit of DNA on a chromosome which governs the synthesis of one protein that controls a specific characteristic of an organism.
3. there are thousands of genes on a chromosome which control various characteristics of an organism.
4. Genes are actually units of hearedity which transfer characteristics from parents to their offsprings during reproduct9oGenes work in pairs.
5. Genes controlling the same characteristics are given the same letters. For example the gene for tallness is represented by the letter 't.
6. Genes for controlling the same characteristics of an organism can be of two types dominant or recessive.
7. The gene which decides the appearance of an organism even in the presence of an alternative gene is known as dominant gene.
8. The gene which can decide the appearance of an organism only in the presence of another identical gene called recessive gene.