Genetics

What is heredity?

• A kind of genetic disorder
• The way DNA divides
• A trait you inherit from your parents
• The passing down of traits from parents to children

What is heredity?

• A kind of genetic disorder
• The way DNA divides
• A trait you inherit from your parents
• The passing down of traits from parents to children

Which trait is completely determined by your DNA?

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

The man who studied genetics and came up with genetics is

• Watson
• Crick
• Mendel
• Darwin

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

Genotype refers to the ...

• physical expression of the genes
• the possible combination of alleles in a gene
• whether an allele is dominant or recessive
• how an organism will appear

Squidward has light blue skin, and his genotype for this trait is Bb. Which of the following would describe Squidward?

• Purebred

• Hybrid

• Homozygous

• Sex-linked

An offspring will receive how many alleles from each parent to determine a specific trait?

• one
• two
• three
• five

Which of the following is a phenotype?

• BB
• Bb
• bb
• Blue eyes

What is a phenotype

• The genetic make up (code)
• The physical trait