Allele

Which of the following is an example of a trait?

• Height

• Weather

• Music

• Language

How many sets of chromosomes do human cells contain?

• Three sets

• Two sets

• Four sets

• One set

What is the term for having two identical alleles for a trait?

• Heterozygous

• Homozygous

• Dominant

• Recessive

If an organism has two different alleles for a trait, it is called:

• Polyzygous

• Monozygous

• Heterozygous

• Homozygous

What do alleles represent in genetics?

• Different species

• Types of cells

• Chromosome numbers

• Variations of a gene