7.1 intro to genetics 20

Front

What are the different forms of genes known as?

Back

Alleles

Front

What is the physical appearance or the way a gene looks called?

Back

Phenotype

Front

Who is often referred to as the father of genetics?

Back

Gregor Mendel

Front

How are dominant alleles represented?

Back

By a capital letter

Front

Which of the following is homozygous recessive: Tt, tt, TT, T?

Back

tt

Front

What is the genetic makeup of an organism called?

Back

Genotype

Front

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

Back

Recessive trait

Front

What is the principle that states that alleles for different traits are distributed to gametes independently of one another?

Back

Law of Independent Assortment

Front

What is the expected phenotypic ratio in a monohybrid cross?

Back

3:1

Front

What is a Punnett square used for?

Back

To predict the genotypes and phenotypes of offspring from genetic crosses.