Genetics Post-Test

What is the job of DNA?

• To help digest food

• To give energy to cells

• To store genetic information

• To fight off sickness

What do we call the structure of DNA? Double Helix

• A circle

• A straight line

• A twisted ladder

• A square

What is a gene?

• A type of blood cell

• A tiny piece of food

• A part of DNA that controls a trait

• A type of protein in the body

What are different forms of the same gene called?

• Chromosomes

• Cells

• Alleles

• Proteins

If a person’s genotype is one dominant gene (B) and one recessive gene (b), which trait will show?

• Neither trait

• The recessive trait

• The dominant trait

• Both traits mixed together

What chart helps predict traits in offspring?

• A Punnett

• A calendar Square

• A food pyramid

• A DNA model

If both parents have blue eyes (a recessive trait), what color will their child’s eyes most likely be?

• Brown

• Green

• Hazel

• Blue

What does heterozygous mean?

• Two of the same genes (hh / HH)

• No genes (- -)

• Only recessive genes (hh)

• Two different genes (Hh)

What is selective breeding?

• A way to make animals run faster

• Picking parents to get certain traits in offspring

• A random process that happens in nature

• A type of scientific

Which of these is an inherited trait?

• Speaking a language

• Learning to read

• Riding a bike

• Having dimples