What do you conclude from these data? a b с d Marker locus A B C e DE D E Selected answer will be automatically saved. For keyboard navigation, press up/down arrow keys to select an answer. Mean days to flowering Strain 1 homozygote 81 84 86 83 82 Heterozygote 83 81 83 82 81 Strain 2 homozygote 82 80 78 80 82 Markers B and C are in separate genes in which strain 2 alleles lead to later flowering. Strain 2 alleles in one or more genes near markers B and C lead to later flowering. There is not a QTL affecting flowering time on chromosome 2. Markers B and C are in separate genes in which strain 1 alleles lead to later flowering. Strain 1 alleles in one or more genes near markers B and C lead to later flowering. LOD score 0.94 3.23 4.29 1.82 0.61

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Chapter1: The Human Body: An Orientation
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What do you conclude from these data?
a
с
d
Marker
locus
A
B
C
D
E
e
Mean days to flowering
Selected answer will be automatically saved. For keyboard navigation, press up/down arrow keys to select an answer.
Strain 1
homozygote
81
84
86
83
82
Heterozygote
83
81
83
82
81
Strain 2
homozygote
82
80
78
80
82
Markers B and C are in separate genes in which strain 2 alleles lead to later flowering.
Strain 2 alleles in one or more genes near markers B and C lead to later flowering.
There is not a QTL affecting flowering time on chromosome 2.
Markers B and C are in separate genes in which strain 1 alleles lead to later flowering.
Strain 1 alleles in one or more genes near markers B and C lead to later flowering.
LOD
score
0.94
3.23
4.29
1.82
0.61
Transcribed Image Text:What do you conclude from these data? a с d Marker locus A B C D E e Mean days to flowering Selected answer will be automatically saved. For keyboard navigation, press up/down arrow keys to select an answer. Strain 1 homozygote 81 84 86 83 82 Heterozygote 83 81 83 82 81 Strain 2 homozygote 82 80 78 80 82 Markers B and C are in separate genes in which strain 2 alleles lead to later flowering. Strain 2 alleles in one or more genes near markers B and C lead to later flowering. There is not a QTL affecting flowering time on chromosome 2. Markers B and C are in separate genes in which strain 1 alleles lead to later flowering. Strain 1 alleles in one or more genes near markers B and C lead to later flowering. LOD score 0.94 3.23 4.29 1.82 0.61
You cross a late flowering rice strain (strain 1) and an earlier-flowering strain (strain 2), and then cross F1 plants with each other to
produce a large F2 family. Each F2 plant is measured for the number of days from germination to flowering and scored for DNA
sequence polymorphisms (markers) scattered across all chromosomes. For 5 genetic markers on chromosome 2, you obtain the
data shown in the table below.
What do you conclude from these data?
Marker
locus
ABCDE
Mean days to flowering
Strain 1
homozygote Heterozygote
81
83
84
81
86
83
83
82
82
81
Strain 2
homozygote
82
80
78
80
82
LOD
score
0.94
3.23
4.29
1.82
0.61
Transcribed Image Text:You cross a late flowering rice strain (strain 1) and an earlier-flowering strain (strain 2), and then cross F1 plants with each other to produce a large F2 family. Each F2 plant is measured for the number of days from germination to flowering and scored for DNA sequence polymorphisms (markers) scattered across all chromosomes. For 5 genetic markers on chromosome 2, you obtain the data shown in the table below. What do you conclude from these data? Marker locus ABCDE Mean days to flowering Strain 1 homozygote Heterozygote 81 83 84 81 86 83 83 82 82 81 Strain 2 homozygote 82 80 78 80 82 LOD score 0.94 3.23 4.29 1.82 0.61
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