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
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
Related questions
Question
Transcribed Image Text:WIld type
200
wnite, iransparent
pink, transparent
49
46
pink, white, transparent
206
pink, white
205
pink
48
Based on the table, which genes are linked?
O pk and wh
wh and tp
pk and tp
Calculate the distance between the linked genes.
m.u.
distance between the linked genes:
Transcribed Image Text:A female Drosophila fly is heterozygous for three recessive pigmentation mutations called pk, wh, and tp. pk is associated
with pink eyes, wh is associated with a white body, and tp is associated with transparent wings. A geneticist crosses this
fly to a male pink, white, and transparent fly and obtains the 1000 progeny given in the table.
Phenotype
Number
Phenotype
Number
white
47
transparent
199
wild type
200
white, transparent
49
pink, transparent
46
pink, white, transparent
206
48
pink, white
205
pink
Based on the table, which genes are linked?
O pk and wh
wh and tp
O pk and tp
Calculate the distance between the linked genes.
Expert Solution
Step 1
1). pk and wh
| Phenotype | Genotype | Number |
| white |
+ wh + |
47 |
| wild | +++ | 200 |
| Pink, opaque | pk+op | 46 |
| pink, white | pk wh+ | 205 |
| opaque | ++op | 199 |
| white, opaque | +wh op | 49 |
| Pink, white, opaque |
pk wh op |
206 |
| pink | pk++ | 48 |
| Total | 1000 |
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