Genetics remediation

Why are your chromosomes arranged in pairs?

• Scientists have no idea
• Because you get one from your mom and one from your dad
• Because pairs can divide easier
• Because DNA is awesome

Which trait is completely determined by your DNA?

• Your personality
• Your intelligence
• Your natural hair color
• Your weight

Inherited traits are controlled by 

• genetic information in the genes
• the environment a baby is born into
• the nucleus and mitochondria
• none of the above

Are recessive traits shown with capital or lowercase letters? 

• Capital
• Lowercase

The physical appearance or the way a gene looks is known as it's....

• genotype
• allele
• gene
• phenotype

An allele or gene that always shows is

• recessive
• dominant
• hidden
• present

Two of the same genes for a trait (sometimes called purebred). BB or bb

• homozygous
• hetrozygous
• protein
• chromosome

Two different genes for a trait (sometimes called hybrid). Bb

• protein
• homozygous
• heterozygous
• genotype

Fill in the Yellow Box

• AA

• Aa

• aa

How chance the offspring born from this cross will have a homozygous dominant genotype?

• 25%

• 50%

• 75%

• 100%