Biology Ch 12 Genetics Review

What did Gregor Mendel use to discover the principles that rule heredity?

• Pea Plant

• Pigeons

• Pear trees

• Photosynthesis

Gregor Mendel is known as the father of _________

• Modern Medicine

• Father of the Green Revolution

• Father of Genitics

• The Pea Plant Man

Mendel studied genetics by doing controlled breeding experiments with _______ plants.

• Broccoli

• Pepper

• Pea

• Cucumber

Mendel _______ true-breeding pea plants to study genetics

• intentionally cross pollinated

• allowed self-pollination to occur in

After crossing true-breeding pea plants, Mendel ...

• did nothing

• recorded qualitative data only

• recorded quantitative data and evaluated it mathematically

During his study of pea plants Mendel studied ___ traits at a time in order to maintain control over his experiment and collect reliable data.

• one or two

• 10-20

• all traits

• zero

What can be determined from a Punnett square? (mark all that apply)

• Parents' genotypes

• Actual phenotype percentages of offspring

• Offsprings' possible phenotypes

• Actual genotype percentages of offspring

Mendel's F₁ generation

• purebred

• hybrid

What proportion of plants in the F₂ generation had a trait that was absent in the F₁ generation?

• 25%

• 50%

• 75%

• 100%

In Mendel's cross of tall and short pea plants, what percentage of the F1 generation always showed the dominant trait?

• 25%

• 50%

• 75%

• 100%