Genotypes and Phenotypes (before worksheet)

Alternative forms of a gene are called

• Alleles
• Homozygous
• DNA
• Genetics

Which of the following is heterozygous

• FF
• tt
• Gg
• RR

Which of the following is homozygous recessive?

• rr
• AA
• TT
• Ff

What does the prefix hetero- in heterozygous mean?

• same
• different
• dating
• human

The physical appearance of a trait is known as the-

• genotype
• phenotype
• characteristics
• intelligence

Which of the following is the correct definition for a genotype?

• The physical expression of a gene. (Characteristics)

• A strand of DNA made up of multiple mutations.

• The expression of one of your parents traits.

• The set of genes in our DNA which is responsible for a particular trait.

Sexual reproduction results in which of the following.

• Offspring with completely different traits as the parents.

• Offspring with identical traits as the parents.

• Offspring with identical traits as their ancestor.

• Offspring with a combination of traits as the parents.

Which of the following is an example of an allele?

• H

• HH

• Hr

• RRR

Sexual reproduction does what to genetic variation?

• Increases

• Decreases

• Makes identical copies

If your genotype is Bb, what type of trait would you express as a phenotype?

• Dominant

• Recessive

• Both the dominant and recessive traits