avé positions of three genes (A, B and C) that are thought to be on the same chromosome of the organism. You do two dihybrid testcrosses with A being checked in both crosses (so A and B are the genes in one cross and A and C are the genes in the other cross). Based on the results below, which gene (B or C) is closer to A? How can you tell? AaBb aabb Aabb aaBb Total 300 299 202 199 1000 AaCc аасс Аасс aaCc 475 477 25 23 1000

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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You are trying to determine the relative positions of three genes (A, B and C) that are thought to be
on the same chromosome of the organism. You do two dihybrid testcrosses with A being checked
in both crosses (so A and B are the genes in one cross and A and C are the genes in the other
cross). Based on the results below, which gene (B or C) is closer to A? How can you tell?
AаBb
aabb
Aabb
aaBb
Total
300
299
202
199
1000
AaCc
aacc
Аасс
aaCc
475
477
25
23
1000
Transcribed Image Text:You are trying to determine the relative positions of three genes (A, B and C) that are thought to be on the same chromosome of the organism. You do two dihybrid testcrosses with A being checked in both crosses (so A and B are the genes in one cross and A and C are the genes in the other cross). Based on the results below, which gene (B or C) is closer to A? How can you tell? AаBb aabb Aabb aaBb Total 300 299 202 199 1000 AaCc aacc Аасс aaCc 475 477 25 23 1000
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Genes are present on the chromosomes and determine the genetic traits.

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