SET 2: In corn, the following allelic pairs have been identified in chromosome 3: +/b plant color booster vs. non-booster +/lg with ligule vs. without ligule +/v green plant vs. virescent A test cross between triple recessive plants and plants heterozygous for the three pairs gave the following progeny: + v lg b + lg bv lg + + lg 305 148 58 bv + + + + 62 + v + 152 b + + 275 Total 1000 Calculate the parental and recombinant frequencies, the map distances between genes, and the coefficient of coincidence. Illustrate the gene map or sequence.
SET 2: In corn, the following allelic pairs have been identified in chromosome 3: +/b plant color booster vs. non-booster +/lg with ligule vs. without ligule +/v green plant vs. virescent A test cross between triple recessive plants and plants heterozygous for the three pairs gave the following progeny: + v lg b + lg bv lg + + lg 305 148 58 bv + + + + 62 + v + 152 b + + 275 Total 1000 Calculate the parental and recombinant frequencies, the map distances between genes, and the coefficient of coincidence. Illustrate the gene map or sequence.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Transcribed Image Text:SET 2: In corn, the following allelic pairs have been identified in chromosome 3:
+/b
plant color booster vs. non-booster
+/lg
with ligule vs. without ligule
+/v
green plant vs. virescent
A test cross between triple recessive plants and plants heterozygous for the three pairs gave the following
progeny:
+ v lg
305
b + lg
b v lg
+ + lg
b v +
148
58
+ + +
62
+ y +
152
b + +
275
Total
1000
Calculate the parental and recombinant frequencies, the map distances between genes, and the coefficient of
coincidence. Illustrate the gene map or sequence.
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