Genes and Molecular Machines Lesson 1 Exam

Front

What is the relationship between genes and traits?

Back

Genes control the expression of traits in an organism.

Front

How does natural selection lead to the development of specific traits within a population?

Back

Traits that improve survival are passed on more frequently.

Front

Cells change energy for storage in the _______.

Back

mitochondria

Front

Offspring are:

Back

New organisms produced by a parent or parents.

Front

What is the smallest structural and functional unit of an organism?

Back

Cell.

Front

What are genes?

Back

Segments of DNA that contain instructions for the development and functioning of an organism.

Front

What is natural selection?

Back

The process by which organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is a trait?

Back

A characteristic or feature of an organism, which can be influenced by genes.

Front

What is the function of mitochondria?

Back

To produce energy in the form of ATP through cellular respiration.

Front

What is the difference between genotype and phenotype?

Back

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