Basic Science JSS3 First term

Sub-theme: learning about our environment

WEEK 1

Family traits I

Performance objectives

Students should be able to:

1. Mention some traits that run in the family
2. Distinguish between dominant and recessive traits.

Content

Family traits (genetics)      

Genetics is the study of hereditary and variation in living things. The study of hereditary or how the characters of living things are transmitted from one generation to the next. Every living thing contains the genetic material that makes up the DNA molecules. This material is passed on when organisms produce. The basic unit of hereditary is the gene.

Genetics is the process of a parent passing a certain gene to the children. A person’s height, hair color, skin color, eye color, is determined by genes. Other characteristics affected by hereditary include:

Mental abilities

Natural talents