Biology Concepts

Front

The process in which organisms with traits well suited to an environment are more likely to survive and to produce offspring is called:

Back

Natural Selection

Front

This scientist came up with the idea of natural selection.

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Charles Darwin

Front

The fossil record provides evidence that

Back

Older species gave rise to more-recent species.

Front

Genotype refers to the ...

Back

The possible combination of alleles in a gene.

Front

An offspring will receive how many alleles determine a specific trait?

Back

Two

Front

Phenotype

Back

Physical feature (blue eyes)

Front

Having two of the same genes for the trait (sometimes called purebred).

Back

homozygous

Front

An allele whose trait only shows up when no dominant allele is present.

Back

recessive allele

Front

Snapdragon flowers can be red (RR), white (WW), or a blended pink color (RW). What type of inheritance is this?

Back

Incomplete Dominance

Front

Brown fur color is dominant over black fur color. The actual genotype of ALL of the offspring in this cross for fur color is AA × aa?

Back

C) AA