Inheritance

Of the following, which represents a homozygous recessive genotype?

• tt
• TT
• Tt
• TTT

A punnett square shows you all the ways in which ______ can combine.

• colors
• alleles
• eggs
• sperm

The study of _______ is called genetics.

• heredity
• mutations
• pea plants
• dominance

A recessive trait is observed when ________ recessive genetic factors are present in offspring.

• 3
• 2
• 1
• 0

In a punnett square, a capital letter stands for a _____ allele.

• homozygous
• recessive
• dominant
• heterozygous

Self-pollination is when the pollen lands on ________.

• the person holding the plant
• back where it came from
• the same plant
• the next plant over

Parents pass traits down to their offspring through their ______.

• son cells
• reproductive cells
• daughter cells
• body cells

Mendel concluded that ______ factors control each inherited trait.

• 4
• 2
• 5
• 3

______ is the study of how traits are passed from parents to offspring.

• selective breeding
• seed production
• fertilization
• genetics

Mendel thought the purple factor was the only factor seen because it _______ the white factor.

• blocks
• adds to
• cancels out
• emphasizes