un arnld wrinkled C. Half green / wrinkled and half yellow I round seed D. None
ID: 211239 • Letter: U
Question
un arnld wrinkled C. Half green / wrinkled and half yellow I round seed D. None of the above 19. What would be the genotype of the F1 offspring (in the question above)? 30. W nu B. RrYy C. RRYy 20. What would be the possible phenotype ratio 31. In wha in F 2 generation (from the question above)? you "lo A. 32. If your c D. 9:3:3:1 between hypothes 21. In a "dihybrid" Mendel's experiment, 320 seeds were collected in F2 generation, how many of them could possibly be A. Ac B. Re yellow/round"? A. 0 B. 20 C. 80 D. 180 E.320 33. If it falls bel 22. "Green/wrinkled" (in the question above)? you do? A. 0 B. 20 C. 80 D. 180 E.320 23. If total of 160 seeds were collected at F1 A. Acce B Rejec generation in a similar "dihybrid experiment, how many could possibly be 34. What is degree A, B. 2n C. n-1 D. 2n-1 35. Which of the follo o B. 10 C. 30 D. 90 E. 160 24. "Green)wrinkled" (in the guestion A. 0 B. 10 C. 30 D. 90 E. 160 25. What "Mendel's law leads to "extensive genetic variation"? A. Law of dominance B. Law of segregation C-Law of independent assortment is considered best A. 0.1 8. C. 1.0 D. 10.0 26. What ir" may not have identical centromere location? 36. What is the phenotype recessive disorder? 37. What is the genotype mo A. 1 B. 21 C. XIX D. X/Y 27. What makes "homologous as the snapdragon plant t A. B. Length of chromosomes C. Width of chromosomes D. DNA base-pair seq ere locations the snapdragon plant that 28. In a of "mo A. 1:1 B.31 C 12 you counted a total of 1000. How many of them you expect to be "red? 38. What is the phenotype mono the snapdragon plant that ex A. 0 B. 250 n autosomal reces A 1:1 B.31 C121Explanation / Answer
Parental cross: RRYY X rryy
F1: RrYy
F2 phenotypic ratio = 9:3:3:1
F2 genotypic ratio = 1:1:1:1:2:2:2:2:4
19. Option B is correct.
20. Option D is correct.
21. Option D is correct.
Yellow round progeny in the F2 = Y_R_ = 9/16
Total population = 320
= 9/16 X 320 = 180
22. Option is correct
Green wrinked progeny in the F2 = yyrr = 1/16
Total population = 320
= 1/16 X 320 = 20
23. Option E is correct.
All the progeny of the F1 are yellow round.
24. Option A is correct.
All the progeny of the F1 are yellow round.
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