Genetics

Tall is dominant to short. What is the phenotype of the organism Tt

• Short

• Tall

T= tall and t= short

In a Punnett square cross between parents Tt x Tt, what genotypes are possible?

• Bb

• Tt

• tt

• TT

Are recessive traits shown with capital or lowercase letters?

• capital

• lowercase

He is known as the Father of Genetics

• Gregor Mendel

• Albert Einstein

• Charles Darwin

• Thomas Jefferson

What is a genotype?

• The physical trait

• The genetic makeup (code)

G = dominant green and g = recessive yellow. A fish has a Gg genotype, what will its phenotype be?

• Green

• Yellow

Heredity is the passing of traits from ________ to ________.

• parents, offspring

• predators, prey

• mom, dad

• offspring, sibling

B = brown eyes and b = blue eyes

Which is a true statement?

• Blue is dominant

• Brown is dominant

• Brown is recessive

• It is impossible to tell which is dominant or recessive

A _________ is used to predict the possible offspring genotypes, given the parental genotypes

• Pedigree

• Genetic Tic Tac Toe

• Punnett Square

• Mendel Grid

Two different alleles in a genotype, sometimes called hybrid (example: Bb)

• Heterozygous

• Homozygous

• Purebred