Molecular Genetics Exam Questions with Correct
Answers
1. cross-pollination correct answers: the transfer of pollen from the anther to the stigma of
another flower
2. meiosis correct answers: the kind of cell division which reduces the chromosome number
3. pollen correct answers: the powdery substance found on anthers
4. mitosis correct answers: the kind of cell division that makes new cells with the same number of
chromosomes
5. oxygen removed correct answers: the meaning of the word deoxy
6. environment correct answers: the word for all of an organism's surroundings
7. sperm cell correct answers: a male reproductive cell
8. giant correct answers: the kind of molecules formed by DNA
9. trait correct answers: a characteristic carried by a gene
10. recessive gene correct answers: a gene which does not produce its ettect when an
opposite dominant gene is present
11. genetics correct answers: science of heredity
12. receptacle correct answers: the stalk of a flower on which rests the entire flower
13. embryo correct answers: the name of the undeveloped plant or animal
14. sugar correct answers: the substance to which a phosphate is attached in the DNA molecule
15. genes correct answers: made of a unit of DNA
16. blood vessels correct answers: the cause of the red eyes of albino people and animals
17. incomplete correct answers: a condition in which neither gene dominates and a blended
condition is produced
18. multiple genes correct answers: that which probably controls intelligence
19. mutation correct answers: a change in the DNA of a gene that results in a changed trait
20. the principle of dominance correct answers: the name of the genetic principle
discovered by Mendel
21. harmful correct answers: result of most mutations of an organism
22. DNA is very
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, unstable. T/F correct
answers: F
23. A mutation may be thought of as a misprint or
mistake in the DNA. T/F correct answers: T
24. After millions of years, nonliving chemicals will
become living. T/F correct answers: F
25. Mutations are generally helpful to the
organism. T/F correct answers: F
26. Mutations are sometimes helpful in providing food
for people. T/F correct answers: T
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