Genetics

If one form of a gene can overpower or mask another form, it is ______.

• frequent

• recessive

• dominant

• rare

The physical appearance of an organism is known as its ________.

• phenotype

• genotype

• genetic makeup

• allele

A human embryo , like most other human cells, contains 46 chromosomes. How many chromosomes does an embryo receive from the mother?

• 0

• 1

• 23

• 46

If A= tall plants and a= short plants, if we crossed 2 heterozygous parents, what percentage would have tall plants?

• 25%

• 50%

• 75%

• 100%

What genotype would go in the box?

• AA

• Aa

• aa

• aA

The genetic makeup of an individual is its ______.

• phenotype

• genotype

• punnett square

• dominance

In fruit flies, long wings are dominant and short wings are recessive. If a long-winged fruit fly that is heterozygous mates with a fruit fly that has short wings, which percentage of their offspring will have long wings?

• 0%

• 25%

• 50%

• 100%

If a red cow and a white cow mate, they could make a roan cow due to what type of complex inheritance?

• polygenic traits

• multiple alleles

• incomplete dominance

• codominance

Who is considered the father of modern genetics?

• George Washington

• Gregory Mendleham

• Frances Watson

• Gregor Mendel

A species of flower has red flowers and white flowers with the heterozygous individual having what color flowers if the flowers demonstrate incomplete dominance?

• Red

• White

• Pink

• Red and white speckled