Biology Genetics Review

The allele for a recessive trait is usually represented by a capital letter.

• True
• False

Heterozygous individuals have two of the same alleles for a particular gene.

• True
• False

A dominant allele masks the effect of a recessive allele.

• True
• False

Mendel based his principles on his observations of pea plants.

• True
• False

The scientific study of heredity is called genetics.

• True
• False

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A dihybrid cross involves two pairs of contrasting traits.

• True
• False

Crosses involving a study of one gene are called monohybrid crosses.

• True
• False

The physical appearance of an individual organism, as determined by genes it has inherited from its parents is called its genotype.

• True
• False

Tags

NGSS.HS-LS3-1

Genetics is the branch of biology that involves the study of how different traits are transmitted from one generation to the next.

• True
• False

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The dominant allele for tallness in pea plants is represented by the letter t.

• True
• False