P 1 Living Earth Final sem 2 2025

Front

What is a sex chromosome?

Back

A chromosome that controls the development of sexual characteristics in an individual.

Front

What are somatic cells?

Back

Cells that make up all body tissues and organs, except for the gametes (sperm and egg).

Front

What does phenotype refer to?

Back

The physical appearance of an individual, resulting from the expression of their genes.

Front

How many children did the parents from the first generation have?

Back

4 children.

Front

What is the definition of somatic cells?

Back

Body cells that are not germ cells (sperm and egg).

Front

What is an autosome?

Back

Any chromosome that is not a sex chromosome.

Front

What are gametes?

Back

Reproductive cells (sperm and egg) that unite during fertilization.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup of an individual, while phenotype refers to the observable physical traits.

Front

What are dominant alleles?

Back

Alleles that express their traits even when only one copy is present.

Front

What are recessive alleles?

Back

Alleles that only express their traits when two copies are present.