For practice construct a Genetic map with three genes in Arabidopsis plants. A short plant (hy) is recessive to tall plant (HY), a red flower (r) is recessive to white flower (R); and long pollen (po) is recessive to oval shaped pollen (PO). You can come up with arbitrary number of progenies for each class of offspring (follow the numbers like in Fig. 7.14)

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Chapter1: The Human Body: An Orientation
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For practice construct a Genetic map with three genes in Arabidopsis plants. A short plant (hy) is recessive to tall plant (HY), a red flower (r) is recessive to white flower (R); and long pollen (po) is recessive to oval shaped pollen (PO). You can come up with arbitrary number of progenies for each class of offspring (follow the numbers like in Fig. 7.14)

( please help, I dont understand what/how to do this)

Wild type
Scarlet, ebony,
spineless
st* ss+ e+
st ss e
st
ss e
st ss e
Testcross
Progeny
Progeny
phenotype
Progeny
number
genotype
st* ss* e+
Wild type
283
st
SS
e
st*
st ss
Scarlet,
ebony,
spineless
e
278
st ss e
st ' ss e
This symbol indicates the
position of a crossover.
Nonrecombinants are
produced most frequently.
st*) ss e
Spineless,
ebony
50
st ss
SS
e
st* / ss e
st / ss* e+
Scarlet
52
st ss e
st / ss*
st* ss* je
Ebony
43
st
e
st ss* e
st
jet
Scarlet,
41
spineless
st ss e
st 'ss e*
Double-crossover recombinants
are produced least frequently.
st"/ ss
e+
Spineless
st ss e
st" ss e+
st / ss* je
Scarlet,
ebony
st ss e
st ss* e
Total 755
Pierce, Genetics: A Conceptual Approach, 7e © 2020
W. H. Freeman and Company
Transcribed Image Text:Wild type Scarlet, ebony, spineless st* ss+ e+ st ss e st ss e st ss e Testcross Progeny Progeny phenotype Progeny number genotype st* ss* e+ Wild type 283 st SS e st* st ss Scarlet, ebony, spineless e 278 st ss e st ' ss e This symbol indicates the position of a crossover. Nonrecombinants are produced most frequently. st*) ss e Spineless, ebony 50 st ss SS e st* / ss e st / ss* e+ Scarlet 52 st ss e st / ss* st* ss* je Ebony 43 st e st ss* e st jet Scarlet, 41 spineless st ss e st 'ss e* Double-crossover recombinants are produced least frequently. st"/ ss e+ Spineless st ss e st" ss e+ st / ss* je Scarlet, ebony st ss e st ss* e Total 755 Pierce, Genetics: A Conceptual Approach, 7e © 2020 W. H. Freeman and Company
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