Chapter 5- Genetics (Life Science)

Front

Different forms of a gene that can be dominant or recessive

Back

alleles

Front

If 'T' is the allele for tall and 't' is the allele for short, what would Tt produce?

Back

tall

Front

Having two different alleles of a gene. Example: Bb

Back

Heterozygous

Front

The physical appearance of an organism is called its?

Back

phenotype

Front

Having two of the same alleles of a gene. Example: BB

Back

Homozygous

Front

What is the genetic makeup of an organism called?

Back

genotype

Front

What is the term for a cross between two individuals with different traits?

Back

hybrid cross

Front

What do we call the observable traits of an organism?

Back

phenotype

Front

What is the term for a trait that is expressed when at least one dominant allele is present?

Back

dominant trait

Front

What is the term for a trait that is only expressed when two recessive alleles are present?

Back

recessive trait