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Explain how a test-cross can be used to determine the unknown genotype of an organism
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- In "Analyzing a Punnett Square", identify the genotype for each number represented in the 1:2:1 ratio.A X cross, is conducted when an organism with the dominant phenotype and unknown genotype is crossed with a Y individual in order to identify the unknown genotype.Define locus heterogeneity, and explain how it can confound pedigree analysis.
- The table below shows the progeny of a test cross of a heterozygote (HhFfGg). Each row shows the number of progeny that inherited each combination of alleles from the heterozygous parent. You've already determined the gene order (G is in the middle) and labeled each type of progeny. Using this information, what is the recombination frequency between H and G? Alleles: Type: HGF hgf HgF h Gf Hgf h GF HGf hg F O 0.543 0.302 O 0.241 O 0.23 0.139 Parental Parental DCO DCO SCO (H-G) SCO (H-G) SCO (G-F) SCO (G-F) Count: 124 119 15 18 51 55 38 40 O The correct answer is not available.How is the chi-square goodness-of-fit test used to analyze genetic crosses? What does the probability associated with a chi-square value indicate about the results of a cross?If you have a dihybrid organism with genotype AaBb whose alleles are in repulsion (trans) configuration, and you use it to perform a test cross, what will be the recombinant genotypes in the offpsring? Select all that apply. Question 5 options: Aabb aaBb AaBb aabb