Genes, Chromosomes, and DNA

Front

Heredity is ______________________ .

Back

the transmission of traits from parents to offspring

Front

The nucleus is ____________________ .

Back

the central part of a cell

Front

Which is NOT a trait you could inherit from a parent?

Back

cycling skills

Front

A chromosome is __________________ .

Back

a package of DNA and protein found in the nucleus of the cell

Front

What diagrams do scientists use to predict the probability, or likelihood, that an offspring will have certain traits based on the genes of its parents?

Back

Punnett Squares

Front

What is DNA?

Back

DNA (deoxyribonucleic acid) is the molecule that carries the genetic instructions for life.

Front

What are chromosomes made of?

Back

Chromosomes are made of DNA and proteins.

Front

How many chromosomes do humans have?

Back

Humans typically have 46 chromosomes, arranged in 23 pairs.

Front

What is a gene?

Back

A gene is a segment of DNA that contains the instructions for making a specific protein.

Front

What is the role of the nucleus in a cell?

Back

The nucleus controls the cell's activities and houses the cell's genetic material.