Genetics - Pre-Assessment

Front

What makes up the SIDES of a DNA ladder?

Back

Sugars and phosphates.

Front

List the series arranged in order from largest to smallest in size.

Back

Cell, nucleus, chromosome, DNA, gene nucleotide.

Front

What makes up the rungs (steps) of a DNA ladder?

Back

Nitrogen bases.

Front

If black fur is dominant and white fur is recessive, what genotype would an organism with white fur have?

Back

ff.

Front

If a person is heterozygous for a trait, what could their genotype be?

Back

Aa.

Front

What is the structure that carries genetic information in living organisms?

Back

DNA (Deoxyribonucleic Acid).

Front

What are the four nitrogen bases found in DNA?

Back

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

Front

What is the difference between a dominant and a recessive trait?

Back

A dominant trait is expressed when at least one dominant allele is present, while a recessive trait is only expressed when two recessive alleles are present.

Front

What is a genotype?

Back

The genetic constitution of an individual, represented by alleles.

Front

What is a phenotype?

Back

The observable physical or biochemical characteristics of an organism, determined by its genotype.