2. Let's assume you did a dihybrid cross of homozygous dpy-5 hermaphrodites and homozygous him-5 males. You let the F1 hermaphrodites to self-fertilize and collected the F2 progeny. What are the ratios of the following genotypes among all the F2 progeny? In the table below, "dpy-5" or "him-5" indicates the mutant allele and the plus sign "+" indicates wildtype allele. The slash “/” separates two alleles of the same locus. The semicolon ";" separates different chromosomes. Use words or any type of diagrams that we learned in the class to show your work. Genotype dpy-5/dpy-5; him-5/him-5 dpy-5/+; him-5/him-5 +/+; him-5/him-5 dpy-5/dpy-5; him-5/+ dpy-5/+; him-5/+ +/+; him-5/+ dpy-5/dpy-5; +/+ dpy-5/+; ++ +/+; +/+; Ratio
2. Let's assume you did a dihybrid cross of homozygous dpy-5 hermaphrodites and homozygous him-5 males. You let the F1 hermaphrodites to self-fertilize and collected the F2 progeny. What are the ratios of the following genotypes among all the F2 progeny? In the table below, "dpy-5" or "him-5" indicates the mutant allele and the plus sign "+" indicates wildtype allele. The slash “/” separates two alleles of the same locus. The semicolon ";" separates different chromosomes. Use words or any type of diagrams that we learned in the class to show your work. Genotype dpy-5/dpy-5; him-5/him-5 dpy-5/+; him-5/him-5 +/+; him-5/him-5 dpy-5/dpy-5; him-5/+ dpy-5/+; him-5/+ +/+; him-5/+ dpy-5/dpy-5; +/+ dpy-5/+; ++ +/+; +/+; Ratio
Human Biology (MindTap Course List)
11th Edition
ISBN:9781305112100
Author:Cecie Starr, Beverly McMillan
Publisher:Cecie Starr, Beverly McMillan
Chapter20: Chromosomes And Human Genetics
Section: Chapter Questions
Problem 2CT: Human sex chromosomes are XX for females and XY for males. a. With respect to an X-linked gene, how...
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Transcribed Image Text:2. Let's assume you did a dihybrid cross of homozygous dpy-5 hermaphrodites and
homozygous him-5 males. You let the F1 hermaphrodites to self-fertilize and collected the F2
progeny. What are the ratios of the following genotypes among all the F2 progeny? In the
table below, "dpy-5" or "him-5" indicates the mutant allele and the plus sign "+" indicates
wildtype allele. The slash “/” separates two alleles of the same locus. The semicolon ";"
separates different chromosomes. Use words or any type of diagrams that we learned in the
class to show your work.
Genotype
dpy-5/dpy-5; him-5/him-5
dpy-5/+; him-5/him-5
+/+; him-5/him-5
dpy-5/dpy-5; him-5/+
dpy-5/+; him-5/+
+/+; him-5/+
dpy-5/dpy-5; +/+
dpy-5/+; ++
+/+; +/+;
Ratio
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