Genetics Practice

The passing of traits from parent to offspring 

• Heredity 
• Genetics 
• Hybrid 
• Probability 

Which is heterozygous ?

• Tt

• TT

The genetic makeup of an organism; the genes

• heterozygous

• punnet square

• genotype

• phenotype

A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?

• 100% BB
• 75% BB and 25%Bb
• 50 % BB and 50% Bb
• 50% Bb and 50% bb

Squidward has light blue skin, and his genotype for this trait is Bb. Would Squidward be considered a purebred or hybrid for light blue skin?

• homozygous

• heterozygous

An offspring will receive how many copies of a gene from each parent to determine a specific trait?

• one

• two

• three

• five

What is a phenotype?

• The genetic make up or genes

• The physical trait or appearance

• The final offspring set of a parent

• The homozygous dominant combinations

Having two of the same genes for the trait (sometimes called purebred).

• homozygous

• hetrozygous

• protein

• chromosome

Having two different genes for a trait (sometimes called hybrid).

• protein

• homozygous

• heterozygous

• genotype

Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?

• 0 %
• 25%
• 50%
• 75%