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Genetics Gene Expression And Interaction - Questions and Answers

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26. Colourless pigment precursor in sweet pea is
A. Chromogen
B. Chlorophyll
C. Anthocyanin
D. Haemocyanin
Explanation:
27. Mixing and reasserting the genetic elements by protoplast fusion is known as
A. Monohybridisation
B. Dihybridisation
C. Protoplasmic fusion
D. Independent assortment
Explanation:
28. The colour of the flowers produced by dominant alleles C and P in sweet pea is
A. White
B. Red
C. Pink
D. Purple
Explanation:
29. Bateson and Punnet found the modified dihybrid ratio 9:7 in
A. Lathyrus odoratus
B. Pisum sativum
C. Cucurbita pepo
D. Zea mays
Explanation:
30. The genotype of true breeding green fruit in summer squash is
A. WwYy
B. wwyy
C. WWYY
D. WwYY
Explanation:
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