genetics

What is the study of genes and inheritance known as?

• Genetics

• Chemistry

• Physics

• Astronomy

Which of your body cells contain DNA?

• Only bone cells

• Only sperm and egg cells

• Most of the cells throughout your body

• Only skin cells

Where is the majority of DNA stored within a cell?

• Chloroplast

• Cell wall

• Cell membrane

• Nucleus

You inherit half of your DNA from your mother and half from _______?

• Your father

• Your pet hamster

• Your grandmother

• Your sister

Which of the following features is NOT inherited?

• Skin color

• Tatoo

• Hair texture

• Color blindness

An organism's observable physical features are also called what?

• Genotype

• Phenotype

An organism's genetic code is also called what?

• Genotype

• Phenotype

You inherit a recessive allele from your mother and a dominant allele from your father. Which allele will be expressed?

• The recessive allele

• The dominant allele

Attached earlobes are a recessive trait. If you receive a DOMINANT allele from each of your parents, what kind of earlobes will you have?

• Attached earlobes

• Detached (free) earlobes

A cleft chin is a dominant trait. If you receive a RECESSIVE allele from each of your parents, what type of chin will you have?

• Cleft chin

• Smooth chin