What does DNA stand for?

What do we call the central region that hold the chromatids together?

What do we call the two identical halves of a chromosome?

True or False? A chromosome has exactly one hundred genes on it.

Which one does not belong? A nucleotide is made up of a phosphate, a sugar, a salt, and a nitrogen base.

True or False? The information on a chromosome determines only one trait.

What kind of trait? The color of a wolf's fur can change with the change of seasons. a. inherited trait b. learned behavior c. manipulated trait d. environmental trait

How many chromosomes do normal human cells have?

What kind of trait? People can pierce their ears or dye their hair. a. inherited trait b. learned behavior c. manipulated trait d. environmental trait

True or False? One gene can have hundreds of chromosomes on it.

True or False? Carbohydrates control most of the life processes in cells

What does a molecule of DNA resemble? a fireman's pole or a twisted ladder

What kind of trait? The flamingo taking on a pink color from the food it eats. a. inherited trait b. learned behavior c. manipulated trait d. environmental trait