Mrs. Jo's DNA Qz
10 Questions
| Attempts: 102
Genetics quiz covering structure and fx of DNA.
Questions and Answers
- 1.
In the strawberry- DNA Isolation lab, what was the white floating stringy substance?- A.
Strawberrry guts
- B.
DNA that has been removed from the nucleus bc we smooshed up the stawberries
- C.
DNA removed from the cell wall bc we pounded the strawberries.
- 2.
What does the structure of DNA look like?
- A.
Sugar phospate with genetic base pairs
- B.
Double helix
- C.
Wheel
- 3.Asexual reproduction creates a:
- A.
Clone- exact copy of the parent
- B.
Unique individual- 50% of both parents
- C.
Some of mom and more of dad
- 4.
Who first predicted a pattern that genetic info was passed from parent to offspring in his experiments with pea plants?
- A.
Watson and Crick
- B.
Delaney
- C.
Gregor Mendel
- 5.This word means the same genotype- such as AA or aa.
- A.
Heterozygous
- B.
Homozygous
- C.
Hybrid
- D.
Pure
- E.
Both homozygous and pure
- 6.The word tha means to cover over or dominate such as Aa or AA but not aa
- A.
Dominant
- B.
Recessive
- C.
Deteriorate
- 7.The word that means different such as Ss but not SS.
- A.
Homozygous
- B.
Pure
- C.
Hybrid
- D.
Heterozygous
- E.
Both hybrid and heterozygous
- 8.This word means to be hidden or masked.
- A.
Recessive
- B.
Dominant
- C.
Relative
- 9.
What would the parents genotype be?
- A.
TT x tt
- B.
TT x TT
- C.
Tt x Tt
- D.
Tt x tt
- 10.If both parents are homozygous recessive, what chance will the offspring show any dominant characteristics.
- A.
100%
- B.
25%
- C.
50%
- D.
0%
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