Inheritance | Biology | Quiz

1. What does "genotype" refer to?

the chromosomes of an organism

the genetic make-up of an organism

the type of gene in question

the physical expression of genes

2. Mendel's First Law states that the factors that determine physical traits are carried only by sperm cells.

true

false

3. When two organisms are crossed, the offspring are referred to as

the F2 generation.

recessive.

the F1 generation.

a genotype.

4. Mendel believed that physical traits of pea plants are determined by

inheritance of factors from both parents.

inheritance of factors from the male parent only.

inheritance of factors from one parent.

inheritance of factors from the female parent only.

5. A chart used to determine the offspring of a genetic cross is called a

cross chart.

Punnet square.

periodic table.

Genetic square.

6. Mendel's Second Law states that alleles randomly and independently segregate into an organism's gametes.

true

false

7. Incomplete dominance results in

a trait that is a mix of those seen in the parent

the offspring having a different trait than either parent.

both of the choices

neither of the choices

8. If snapdragons demonstrate incomplete dominance in flower color, what would be the result of a cross between a red-flowered snapdragon with a white-flowered snapdragon?

All the offspring will have white flowers

All the offspring will have pink flowers.

All the offspring will have red flowers.

Three-fourths of the offspring will have red flowers and one-fourth will have white flowers.