Genetics unit 3

Front

What is the primary function of the specific sequence of nitrogenous bases in DNA?

Back

The specific sequence of nitrogenous bases creates a code for making proteins.

Front

What are chromosomes?

Back

Chromosomes are tightly wound structures formed by DNA molecules.

Front

Is it true that DNA is passed from parent to offspring?

Back

True.

Front

Are recessive forms of genes always visible in the offspring?

Back

False.

Front

What are the rungs of the DNA ladder made of?

Back

The rungs of the DNA ladder are made of nitrogenous bases.

Front

What are genes?

Back

Genes are segments of DNA that contain the instructions for making proteins.

Front

What is the role 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 structure of DNA?

Back

DNA has a double helix structure, resembling a twisted ladder.

Front

What are the four types of nitrogenous bases in DNA?

Back

Adenine (A), Thymine (T), Cytosine (C), and Guanine (G).

Front

What is the difference between dominant and recessive genes?

Back

Dominant genes are expressed in the phenotype even if only one copy is present, while recessive genes are only expressed if two copies are present.