Genes
GENES
Name: ______________________________ Date: _____________ Student # _______
Bill Nye – Genes
1. ________, otherwise known as deoxyribonucleic acid, is shaped like a ______________
that’s been ______________.
2. DNA is made up how many chemicals? ______
3. DNA is this many times longer than it is wide? ____________
4. DNA is made up of thousands of tiny sections called ______________
5. Thousands of genes join together to make ____________________
6. Do red blood cells have a nucleus? _________
7. Humans have _____ pairs of chromosomes, for a total of ______ chromosomes.
8. Chromosomes are to __________ as genes are to ____________.
9. Approximately how many genes does your DNA contain? _____________
10. Does each cell need to read every chapter? __________
11. How many chromosomes do you get from your dad? ______ Your mom? ______
12. How many combinations can your genes combine into? ______________
13. The four chemicals found in DNA are:
1. _______________
2. _______________
3. _______________
4. _______________
14. If we printed out all the human genes, how many sheets of computer paper would it
take?
___________________
15. A mule is a cross between a female _________ and a male ___________.
16. Can the following gene combinations roll their tongue?
RR _______
Rr _______
rr _______
17. Can you roll your tongue? ________
Name: ______________________________ Date: _____________ Student # _______
Bill Nye – Genes
1. ________, otherwise known as deoxyribonucleic acid, is shaped like a ______________
that’s been ______________.
2. DNA is made up how many chemicals? ______
3. DNA is this many times longer than it is wide? ____________
4. DNA is made up of thousands of tiny sections called ______________
5. Thousands of genes join together to make ____________________
6. Do red blood cells have a nucleus? _________
7. Humans have _____ pairs of chromosomes, for a total of ______ chromosomes.
8. Chromosomes are to __________ as genes are to ____________.
9. Approximately how many genes does your DNA contain? _____________
10. Does each cell need to read every chapter? __________
11. How many chromosomes do you get from your dad? ______ Your mom? ______
12. How many combinations can your genes combine into? ______________
13. The four chemicals found in DNA are:
1. _______________
2. _______________
3. _______________
4. _______________
14. If we printed out all the human genes, how many sheets of computer paper would it
take?
___________________
15. A mule is a cross between a female _________ and a male ___________.
16. Can the following gene combinations roll their tongue?
RR _______
Rr _______
rr _______
17. Can you roll your tongue? ________