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Recombinant Dna Technology
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Recombinant Dna Technology
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25 Questions

1. Change in the DNA sequence of an individual; the only true way to get a new allele; the source of all heritable variation

2. Number of offspring in the next generation; your contribution to the gene pool

3. Sexual partners chosen based on some characteristics

4. Cuts DNA in specific sites; the fragments created are usually predictable

5. The process of sperm sorting; separating the male sperm from the female sperm; difference told by swimming speed; boy sperm swim faster than girl sperm; Theory might have flaws in it though - only works 50% of the time

6. The screening of embryos for genetic disorders; done in In Vitro fertilization(fertilization in a petri dish); PGD removes one cell from the embryo and screens it genetically; embryos with disorders are discarded - ones without are kept and implanted

7. A process to help separate DNA fragments using an electrical current; helps to compare DNA samples by fragment pattern

8. Another method designed to sort female sperm form male sperm; goes by size of sperm; females are bigger than male sperm

9. Traits that are neither advantageous nor disadvantageous; there is no selection

10. The idea that characteristics can enhance an organisms survival

11. Selection fro or against environment; leads to evolution only if variation has genetic components

12. The more common a trait becomes the more likely it will be selected against

13. Scientific explanation of how life changes over time - science is based off of evidence - science is obtained with observation and testing - science is always open to question

14. Invented the binomial method(naming of species); also believed that life was fixed

15. 1.edits existing variation by using the material it has(variation that exists in population/ no new traits created by natural selection) 2. Has historical constraints(change in old structures) 3. Adaptations are compromises (good for one thing - bad

16. Mate choice; one sex chooses their mate

17. Selects for the middle and against the extremes

18. An accumulation of genetic charges over a certain amount of time

19. Cells that can turn into other cells

20. Came up with the term catastrophism(sudden events that lead to extinction - but not in todays time)

21. The organism with the most advantageous traits will survive

22. A widely accepted idea with lots of evidence

23. Directional selection - Disruptive selection - Stabalizing

24. Recessive traits persistent to a certain population; recessive alleles hide from selection

25. Cells that can become only a few different types of cells; mostly adult stem cells; found in bone marrow - the skin epidermis - etc; can sometimes be turned into Totipotent stem cells

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