Genetics Quiz

What do we inherit from our parents that decide how we look?

• Medicines

• Habits

• Genes

• Toys

What are different versions of a gene called?

• Cells

• Alleles

• Nerves

• Organs

If a pea plant has two same alleles (YY or yy), it is called:

• Heterozygous

• Homozygous

• Dominant

• Recessive

Which generation in Mendel's experiment showed only yellow seeds?

• Second generation

• First generation

• Grandparents' generation

• No generation

What happens in the second generation of Mendel's peas?

• Only green seeds appear

• Only yellow seeds appear

• Both yellow and green seeds appear

• No seeds appear

What is a dominant trait?

• A trait that is always hidden

• A trait that is always passed to sons only

• A trait that shows up even if only one copy is present

• A trait that needs two copies to show

Which letter is usually used for the dominant trait in a Punnett square?

• Small letter

• Number

• Capital letter

• Greek symbol

Which of the following is an example of a recessive trait?

• Yellow seed (Y)

• Round shape

• Green seed (y)

• Tall plant

What is the result of a genotype "Yy"?

• Green seed

• Yellow seed

• No seed

• Both yellow and green

Which part of Mendel's experiment helps us predict traits in future generations?

• Watering the peas

• Punnett Square

• Watching colors

• Using fertilizer