Genetics Practice

Aa, DD, bB, yy are all examples of

• genotypes
• phenotypes

What is heredity?

• The passing of traditions from one generation to the next.

• The passing of genetic information from one generation to the next.

• Genetic information found in the nucleus.

• The study of genes.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many chromosomes are found in a "normal" human being?

• 44

• 46

• 48

• 50

Which genotype is hetrozygous?

• Bb

• BB

• DD

• dd

Which genotype is homozygous dominant?

• Bb

• bb

• BB

• Dd

Which is NOT an example of a phenotype?

• black fur

• blue eyes

• brown hair

• bb

Tags

NGSS.MS-LS4-4

Which genotype is homozygous recessive?

• Bb

• BB

• bb

• brown eyes

Humans have _______ pairs of chromosomes, for a total of _______ chromosomes.

• 10, 20

• 25, 100

• 23, 46

• 46, 92

A gene can be either dominate or __________________.

• chemical

• chromosome

• gene

• recessive

the passing of genetic traits from parent to offspring.

• heredity
• trait
• gene
• allele

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2