Teacher's Pet Mendel Interactive Video

What did Gregor Mendel discover about pea plant traits?

• All traits are recessive.

• Traits are determined by the environment.

• Pea plants can only have green peas.

• Dominant traits mask recessive traits.

What are alleles?

• Variations of a gene

• Types of pea plants

• A type of dominant trait

• A method for breeding plants

How are dominant alleles represented when writing genetic combinations?

• With lowercase letters

• With numbers

• With symbols

• With uppercase letters

What is the genotype of a man who is homozygous for tallness?

• Tt

• tt

• TT

• None of the above

What are the possible gamete combinations for a woman heterozygous for tallness?

• t only

• T only

• TT or tt

• T or t