Variations in a Species Unit Test Review

Front

What are the characteristics of animals?

Back

Animals are heterotrophs, multicellular, and eukaryotic.

Front

What does heterozygous mean?

Back

Heterozygous refers to having two different alleles for a specific gene, such as Gg.

Front

What is genetic variation?

Back

Genetic variation is the different allele combinations found in species.

Front

How are recessive alleles represented?

Back

Recessive alleles are represented by lower case letters.

Front

What is an example of a recessive trait?

Back

White fur in the case where W = black fur and w = white fur.

Front

What is the difference between autotrophs and heterotrophs?

Back

Autotrophs produce their own food, while heterotrophs consume other organisms for energy.

Front

What is a dominant trait?

Back

A dominant trait is expressed in the phenotype even if only one dominant allele is present.

Front

What is a phenotype?

Back

Phenotype is the observable physical or biochemical characteristics of an organism.

Front

What is a genotype?

Back

Genotype is the genetic constitution of an individual, represented by alleles.

Front

What is the role of alleles in genetics?

Back

Alleles are different forms of a gene that determine specific traits.