DNA and Punnett squares

Front

What is a mutation?

Back

A change/mistake in DNA.

Front

What is the probability of heterozygous offspring from the genotypes Bb and bb?

Back

50%.

Front

If a DNA molecule has 30% Guanine bases, how many Cytosine bases will it have?

Back

30%.

Front

Nitrogen bases are joined by which type of bond?

Back

Hydrogen bonds.

Front

What is a phenotype?

Back

The expression of a trait; physical appearance.

Front

What is a genotype?

Back

The genetic makeup of an individual.

Front

What are the four nitrogen bases in DNA?

Back

Adenine, Thymine, Cytosine, Guanine.

Front

What is the function of DNA?

Back

To store and transmit genetic information.

Front

What does homozygous mean?

Back

An organism that has the same genes for a trait (e.g., TT or tt).

Front

What does heterozygous mean?

Back

An organism that has different genes for a trait (e.g., Bb).