Genetics Test Prep

"Aa," "AA," and "aa" are all examples of....

"AA" is an example of a....

• Heterozygous genotype

• Homozygous recessive genotype

• Homozygous dominant genotype

• Phenotype

"Aa" is an example of a....

• Heterozygous genotype

• Homozygous recessive genotype

• Homozygous dominant genotype

• Phenotype

"aa" is an example of a....

• Heterozygous genotype

• Homozygous recessive genotype

• Homozygous dominant genotype

• Phenotype

"Purple flowers," "tall pea plants," and "blue eyes" are examples of...

Heredity is the passing of traits from __________ to offspring.

How many alleles does an offspring get from each parent?

• 1

• 2

• 3

• 4

How many alleles does an organism have for each trait?

• 1

• 2

• 3

• 4

Cells that have 2 pairs of chromosomes are called...

• Diploid

• Haploid

• Allele

• Heterozygous

What causes changes in genes?

• Random mutations in DNA

• A desire to change

• The Seasons

• Selective breeding