Type I questions: 1. In gorgonzolas, there are three recessive traits that affect the organism's appeal: shrunken fruit, foul-smelling flowers, and short height. A heterozygote was crossed with a homozygote, yielding the following offspring: 46 - foul-smelling 44 - shrunken fruit, short height 8 - short height 8 shrunken fruit 7- foul-smelling, short height 6- foul-smelling, shrunken fruit 3 - foul-smelling, shrunken fruit, short height 1 - normal phenotype Determine the genetic map for these traits, showing map distances.
Type I questions: 1. In gorgonzolas, there are three recessive traits that affect the organism's appeal: shrunken fruit, foul-smelling flowers, and short height. A heterozygote was crossed with a homozygote, yielding the following offspring: 46 - foul-smelling 44 - shrunken fruit, short height 8 - short height 8 shrunken fruit 7- foul-smelling, short height 6- foul-smelling, shrunken fruit 3 - foul-smelling, shrunken fruit, short height 1 - normal phenotype Determine the genetic map for these traits, showing map distances.
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,...
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practice problems not sure how to solve! genetics!

Transcribed Image Text:AA
x
8:52
1_11_2021
8 - short height
8 shrunken fruit
46 - foul-smelling
44 shrunken fruit, short height
a BCD
Abcd
ABC d
a b c D
a Bc D
Ab Cd
A B cd
ab CD
Type I questions:
1. In gorgonzolas, there are three recessive traits that affect the organism's appeal: shrunken
fruit, foul-smelling flowers, and short height. A heterozygote was crossed with a homozygote,
yielding the following offspring:
outlook.office.com
42
43
140
145
1_11_2021
Ea Set Two.pdf
PDF - 195 KB
6
9
7 - foul-smelling, short height
6- foul-smelling, shrunken fruit
3- foul-smelling, shrunken fruit, short height
1 - normal phenotype
Determine the genetic map for these traits, showing map distances.
2. An individual heterozygous for 4 genes ABCD was testcrossed, and the progeny were
classified by the gametic contribution of the heterozygous parent as follows:
305
310
Genetics
BIO315
Experimental Analysis Set #2
Linkage Analysis
....
(5
Construct a map of the linked genes.
3. The allele b gives Drosophila flies a black body and b+ gives brown, the wild-type phenotype.
The allele wx of a separate gene gives waxy wings and wx+ gives nonwaxy, the wild-type
phenotype. The allele cn of a third gene gives cinnabar eyes and cn+ gives red, the wild-type
phenotype. A female heterozygous for these three genes is testcrossed, and 1000 progeny are
classified as follows: 5 wild type; 6 black, waxy, cinnabar; 69 waxy, cinnabar; 67 black; 382
cinnabar; 379 black, waxy; 48 waxy; and 44 black, cinnabar. Are these three genes linked? If
so, draw a map of the chromosomes in the heterozygous parent, showing the order, arrangement,
and map distance between the linked genes.
4. Barb Wyre, a plant geneticist at the UK Ag Experiment Station, has set up a cross between
1
2
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