AS DNA, Chromosomes, Genes, and Traits

Front

What is a genetic trait?

Back

A genetic trait is a characteristic or feature of an organism that is inherited from its parents, such as eye color or height.

Front

Which of the following is NOT a genetic trait?

Back

Age is not a genetic trait; it is a measure of time since birth.

Front

What do genes code for?

Back

Genes primarily code for proteins, which perform various functions in the body.

Front

What is the structure of DNA called?

Back

The structure of DNA is known as a double helix.

Front

What are the three parts of a nucleotide?

Back

The three parts of a nucleotide are sugar, phosphate, and a nitrogenous base.

Front

Are all portions of DNA used for coding?

Back

No, not all portions of DNA are used for coding; some regions are non-coding.

Front

What is the function of proteins in the body?

Back

Proteins perform a variety of functions, including building tissues, acting as enzymes, and supporting immune function.

Front

What is the role of chromosomes in genetics?

Back

Chromosomes are structures that organize and carry genetic information in the form of genes.

Front

How many chromosomes do humans have?

Back

Humans typically have 46 chromosomes, arranged in 23 pairs.

Front

What is the difference between a gene and a chromosome?

Back

A gene is a segment of DNA that codes for a specific trait, while a chromosome is a long strand of DNA that contains many genes.