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29 Cards in this Set

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  • Back
1. The change of one nitrogen-containing base within a codon is…

point mutation

2. The sex chromosome in females is…

x

3. An abnormal proliferation of cells that results from uncontrolled, abnormal cell division are called …

tumors

4. The uncontrolled dividing cells that invade and destroy healthy tissues elsewhere in the body are … .

cancer

5. The sex chromosome in males is…

y

6. When a piece of chromosome breaks off and reattaches in reverse order, it is referred to as …

inversion

7. When a piece of chromosome breaks off and attaches to a different chromosome, it is referred to as…

translocation

8. When a piece of chromosome breaks off and is lost, it is referred to as…

deletion

9. A ___ is a substance prepared from killed or weakened pathogens and introduced into a body to produce immunity.

vaccine

10. The technique used to separate nucleic acids or proteins by size and charge is ___ .

gel electrophoresis

11. ___ is a form of applied genetics in which scientists directly manipulate genes.

genetic engineering

12.The presence of a gene on a sex chromosome is a ___ gene.

sex-linked

13. A ___ is found in DNA and consist of three-nucleotide sequence that encodes for an amino acid or signifies a start or stop signal.

codon

14. ___ occurs when a portion of a chromosome is replicated, resulting in multiple copies of that region

duplication

The nucleotide bases in a DNA molecule are held together by ___ bonds.

hydrogen

16. When two traits will blend instead of masking the other is …

incomplete dominance

17. A trait that can be found in both male and females, but the trait shows up differently is a ___ gene.
sex-influenced
18. A ___ tumor is the uncontrolled dividing cells that invade and destroy healthy tissues elsewhere in the body.

malignant

19. ___ is an example of a sex-linked gene.

color-blindness

20. ___ is an example of a sex-influenced gene.

baldness

21. A ___ tumor is an abnormal proliferation of cells that results from uncontrolled, abnormal cell division.

benign

22. DNA fingerprinting is important because it can …

Solve crimes, identify people, and find parents

23. ___ was the first scientist to develop rules that accurately predict patterns of heredity, and if referred to as the Father of Genetics.

Gregor Mendel

24. ___ occurs when only one trait is expressed. .

complete dominance

25. ___ occurs when both traits are expressed

codominance

What are three positive outcomes from genetic engineering? Give the reason for your answers.

DNA fingerprinting.


Get rid of diseases.


Medicines.

What are three negative outcomes from genetic engineering? Give the reason for your answers.

Added allergens can cause allergic reactions in people


Designing your baby. If the doctor accidentally puts the new genes in the wrong place it could worsen


Irreversible damage to the genes the doctor

Do you think foods that have been genetically engineered should be labeled as such? Why or why not?

Yes, I think they should be labeled. Added allergens can cause allergic reactions. People have a right to know what is going into their bodies.

Describe the structure of DNA.

DNA is a double helix or twisted ladder. Sides are made up of phosphate and sugar. The middle is made up of pairs of adenine and thymine and guanine and cytosine.