Biology Flashcard

Front

What is the dominant trait for fur color in mice?

Back

Agouti coloration (A) is the dominant trait.

Front

What is the recessive trait for fur color in mice?

Back

Black fur (a) is the recessive trait.

Front

What genotype combination represents two heterozygous parents for fur color in mice?

Back

Aa x Aa

Front

What are chromosomes?

Back

Structures inside of our cell nucleus that hold our genes.

Front

What is an allele?

Back

A variant form of a gene.

Front

How many chromosomes do humans normally have in each cell?

Back

46

Front

What is heredity?

Back

The passage of genetic instructions from one generation to another.

Front

What does a genotype represent?

Back

The genetic makeup of an organism.

Front

What does a phenotype represent?

Back

The observable characteristics of an organism.

Front

What is the purpose of meiosis?

Back

To produce gametes with half the number of chromosomes.