CC DNA, Chromosomes, Genes, and Traits: An Intro to Heredity CC Cooper

Traits are coded for in the:

• proteins

• DNA

• RNA

• nucleus

DNA can determine your:

Choose all the answers that are true.

• risk of certain diseases

• height

• hair color

• eye color

What does DNA stand for:

• ribonucleic acid

• deoxyribonucleic acid

• deoxynucleoribosomic acid

• do not assess

What are the building blocks of nucleic acids?

• ribosomes

• nucleotides

• amino acids

• nucleic acid pieces

Which of the following is a component of a DNA nucleotide? This question has more then one correct answer.

• carbon

• phosphate group

• deoxyribose sugar

• nitrogenous base

Adenine bonds with ___ while guanine bonds with ___.

• thymine; cytosine

• adenine; guanine

• thymine; guanine

• cytosine; thymine

How many strands make up each DNA molecule?

• depends on the type of DNA

• 2

• 1

• 3

___ bonds hold the bases together.

• ionic

• hydrogen

• covalent

• carbon

Genes are a section of ___ and code for ___.

• DNA; proteins

• DNA; amino acids

• RNA; proteins

• proteins; DNA

Even though most of our cells have identical DNA, different cells have different genes turned on and off.  The turning on and off of genes is called: 

• gene regulation

• gene transduction

• chromosome regulation

• DNA regulation