Genetics Review 1

_________________ is when neither trait is dominant, therefore both traits appear in a heterozygous individual.

• Mendelian inheritance

• incomplete dominance

• codominance

Which blood type is considered the "universal donor?"

• A +

• B -

• AB +

• O -

A plant with red flowers (RR) is crossed with a white flowered plant (rr). All of the offspring have pink flowers (Rr). What is this an example of?

• Mendelian inheritance

• incomplete dominance

• codominance

• epistasis

Alternate forms of genes are called ___________.

• alleles

• autosomes

• hybrids

Tags

NGSS.HS-LS3-2

Phenotype refers to:

• The genetic make up of an organism

• The physical characteristics of an organism

• The dominant trait

What type of gametes can be produced by a pea plant with the genotype Tt?

• T only

• t only

• Both T and t

Which scientist is known as the "father of modern genetics" because of his work with pea plants?

• Darwin

• Mendel

• Watson and Crick

• Curie

A black feathered chicken is crossed with a white feathered chicken. The offspring have black and white speckled feathers. What is this an example of?

• Mendelian inheritance

• incomplete dominance

• codominance

• epistasis

Two heterozygous tall (Tt) pea plants are crossed. What percent of the offspring would you expect to be short pea plants?

• 100%

• 75%

• 50%

• 25%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

The offspring that result from two true breeding parents are known as ________.

• haploid

• hybrid

• homozygous