Modern Genetics
Crossword Puzzle
Name:
Across
1. The passing of traits from parent to offspring.
3. Discovered the double helix shape of DNA
4. The sugar in a DNA molecule.
5. A chart that shows all possible genetic combinations of alleles that can occur from a genetic cross.
6. An abnormal condition that a person inherits through genes or chromosomes.
8. Organisms tested by Gregor Mendel.
9. Produced x-ray images of DNA that assisted in the determination of the DNA shape.
10. A picture of all the chromosomes in a cell.
11. Genetic disorder in which a person’s blood doesn’t clot properly or sometimes not at all.
12. The nitrogen base that pairs with cytosine.
14. An organism that has two different alleles for a trait.
15. The twisting ladder shape of DNA.
17. The nitrogen base that pairs with adenine.
23. Connects the sugars on the outside backbone of a DNA chain.
24. The first cloned adult mammal.
28. A disease that affects the shape of the blood cells in the blood stream.
29. The nitrogen base that pairs with guanine.
30. Adenine, Thymine, Cytosine, Guanine.
31. An organism that is genetically identical to the organism from which the DNA was taken from.
32. Segments of DNA that code for traits.
33. The nitrogen base that pairs with thymine.
34. An organism that always produces offspring with the same form of a trait as the parent.
36. Genetic disorder caused by an extra chromosome.
Down
2. Using DNA from hair, skin, and blood samples to identify a person.
7. The subunits DNA is divided into.
13. A procedure that requires a needle to take a small amount of fluid surrounding the baby to create a
karyotype of the chromosomes.
15. A complex molecule found in all living things responsible for storing and transmitting genetic
information.
16. Disease caused by dominant allele that is fatal; causes brain cells to gradually break down leading
to death.
18. The scientific study of heredity.
19. The characteristics that an organism has that can be inherited from parents through DNA.
20. Father of Genetics.
21. Coiled, double rod-shaped forms of condensed DNA that form during cell division.
22. An allele that is masked when a dominant allele is present.
25. The manipulation of the genetic code to obtain a desired product.
26. A genetic disorder in which the body produces abnormally thick mucus in the lungs and
intestines.
27. All the SNA in one cell of an organism.
33. The different forms of a gene.
35. An allele whose trait always shows up in an organism when the allele is present.