Biology - 4th 6wks

1. if an ear of corn contains only white corn, what must it's genotype be?

2. a bat wing are examples of what types of structures?

3. the fact that both these mammals incubate their immature offspring in a pouch provides evidence that they-

4. what percent of offspring from two hetero (Rr) parents are most likely to have the tongue-rolling trait?

5. what is the genotype(s) of bees with long wings?

6. the trait for white fur is most likely caused by--

7. what percentage of the offspring from BbFf x bbff cross would be expected to be heterozygous for both traits?

8. what should be compared to best determine how closely species are related to each other?

9. what conclusion is best supported by the presence of teeth in bird embryos?

10. what color hair will the offspring have?

11. what is the definition of a genetic trait?

12. according to the above information, how is the genotype Ttrr described?

13. a human with two X chromosomes is defined as a-

14. if the genes also help their offspring survive and reproduce, then what will most likely increase?

15. in terms of natural selection, describe the term "fitness".

16. the adaptation that allows trees to grow taller would be an example of natural selection if it helps them--

17. what conclusion can be drawn from the following statements regarding adaption of organisms?

18. according to the above definition of species, why are tigers and lions are still not considered the same species?

19. what will most likely occur in the rabbit population due to the introduction of the predator?

20. what would best explain the decrease in the effectiveness of the pesticide?

21. most closely related genetically to which of the following organisms?

22. list the classification groups from least specific to most specific.

23. the most specific scientific name of an organism is based on its--

24. based on this pedigree, what are the most likely genotypes of individuals 1-1 and 1-2?

25. which is more closely related to merocheta? stemmiulida or penicillata?

26. based on the geographic features, which two species are likely to have the most recent common ancestor?