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CSET Genetics
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CSET Genetics
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25 Questions

1. Same BB

2. When a mouse with black fur is crossed with a mouse with white fur - all f1 generation offspring have gray fur. Which phenotypic results can be expected in the F2 generation.

3. In guinea pigs - black coat color is dominant over white coat color. The offspring of a mating between 2 heterozygous black guinea pigs would probably show a genotype ratio of...

4. Term used to refer to an organism that has two different alleles for the same trait Bb

5. Having two like genes

6. 6 fingers F

7. Different forms of a gene

8. For a given trait - the 2 genes of an allelic pair are not alike. An individual possessing this gene combination is said to be...

9. An organism with a dominant allele for a particular form of a trait will always exhibit that form of the trait. (ex. Bb --- The big B would be dominant B

10. States that genes for different traits can segregate independently during the formation of gametes and helps account for the many genetic variations observed in pants - animals - and other organisms

11. Dominance B

12. (genetics) the separation of paired alleles during meiosis so that members of each pair of alleles appear in different gametes

13. A cross between 2 pea plants hybrid for a single trait produces 60 offspring. Approximatley how many of the offspring would be expected to exhibit the recessive trait?

14. The inherited characteristic often masked by the dominant characteristic and not seen in an organism. bb

15. In cabbage butterflies - white color (W) is dominant and yellow color (w) is recessive. If a pure white cabbage butterfly mates with a yellow cabbage butterfly - all the resuting (F1) butterflies are heterozygous white. Which cross represents the gen

16. 2 organisms may show the same trait - yet have different genotypes for that phenotype

17. In peas - flowers located along the stem (axial) are dominant to flowers located at the end of the stem (terminal). Let A represent the allele for axial flowers and a represent the allele for terminal flowers. When plants with axial flowers are cross

18. P is reccessive

19. Man is Pp and woman is pp Pp x pp equals Pp - Pp - pp - pp 50% chance

20. The appearnce of a recessive trait in offspring of animals most probably indicates that...

21. Creates a blended phenotype; one allele is not completely dominant over the other

22. How many pairs of chromosomes do humans have?

23. Different Bb

24. One capitol letter W

25. Kids heterozygous Ww