2024 Dominant/Recessive

Front

What is the two-letter code that describes the genetic traits of an organism?

Back

Genotype

Front

What is the phenotype for RR (round)?

Back

Round

Front

If a person's genes are tt, what trait do they have regarding tongue rolling?

Back

Not able to roll the tongue

Front

What does the prefix 'hetero-' in heterozygous mean?

Back

Different

Front

What is a section on a chromosome that has genetic information for one trait called?

Back

Gene

Front

What is the term for the physical expression of a trait?

Back

Phenotype

Front

What is the difference between dominant and recessive traits?

Back

Dominant traits are expressed when at least one dominant allele is present; recessive traits are expressed only when two recessive alleles are present.

Front

What is the term for an organism that has two identical alleles for a trait?

Back

Homozygous

Front

What is the term for an organism that has two different alleles for a trait?

Back

Heterozygous

Front

If T is a dominant allele for tall plants and t is a recessive allele for short plants, what is the genotype of a tall plant that is heterozygous?

Back

Tt