What does DNA look like?
Strung in patterns on extremely thin, coiled strands in the cell.
How many miles of DNA do you have in your body?
3 Billion
Where is DNA found?
In the nucleus of cells
DNA is wrapped up to form structures called...
Chromosomes
How many of chromosomes do most cells in the human body have?
46
How many chromosomes do human sex cells, like sperm and eggs, have?
23
What kind of chromosomes will a male child receive from his mother and father?
X from his mother and Y from his father
What kind of chromosomes will a female child receive from her mother and father?
X from her mother and father
How many copies of each gene do you have?
2
Why do you have this number of gene copies?
because of the mother and father both give one
What do your genes and DNA determine?
Your genes and DNA determine your human characteristics. The characteristics can include eyes, ears, mouth, nose.
Do your characteristics come from a single gene or from multiple?
multiple
How many genes does the average human have?
25,000
What do you think "it's in your genes" means?
This phrase could mean that the way you act has been passed down from your parents. Or your actions originate from things you would usually do.
What is heredity? And, why is it important to you?
Heredity is the passing of a gene from one generation to the next. Heredity helps to make you the person you are today, or your appearance.
What, besides your genes, determines your abilities and interests?
enviroment
What do mutations cause?
defects to the offspring.