What are genes?
Q: What are genes?
A: Genes are parts of DNA.
Q: What is DNA?
A: DNA is a molecule inside a cell that carries the instructions for making the proteins the cell will need.
Q: What do genes contain?
A: Each gene contains a single set of instructions, usually coding for a particular protein.
Q: How many genes do humans have?
A: Humans have about 20,000 genes that code proteins and many more that are non-coding.
Q: Where do half of a person's genes come from?
A: Half of a person's genes come from the mother.
Q: Where do the other half of a person's genes come from?
A: The other half of a person's genes come from the father.
Q: What is the function of DNA?
A: The function of DNA is to carry the instructions for making the proteins the cell will need.