24-25 S1 Final Exam Review

Front

What is the circulatory system?

Back

The circulatory system is a transport system in the body that carries oxygen, carbon dioxide, and wastes to and away from cells using the heart and blood.

Front

What is the function of the cell wall?

Back

The cell wall is a rigid layer that lies outside the cell's membrane, providing structure and protection to the cell.

Front

What is the probability of offspring having brown eyes if brown is dominant over blue?

Back

The probability is 50%.

Front

What does homozygous dominant mean in genetics?

Back

Homozygous dominant refers to having two identical dominant alleles for a trait, represented as 'RR' for round seeds in pea plants.

Front

What is the role of the excretory system?

Back

The excretory system removes wastes from the blood.

Front

Define dominant trait in genetics.

Back

A dominant trait is a genetic trait that is expressed in the phenotype even when only one copy of the allele is present.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup of an organism, while phenotype refers to the observable characteristics.

Front

What is the function of the heart in the circulatory system?

Back

The heart pumps blood throughout the body, supplying oxygen and nutrients to tissues and removing waste products.

Front

What are alleles?

Back

Alleles are different forms of a gene that can exist at a specific locus on a chromosome.

Front

Explain the term 'homozygous'.

Back

Homozygous refers to having two identical alleles for a particular gene.