mendelcrosses - Mendelian Crosses using Drosophila Test the...

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Mendelian Crosses using Drosophila
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Test the Following Mendelian Hypothesis for the Drosophila Crosses: 1. The 2 or 3 genes in question assort independently 1. The alleles for each gene segregate during Meiosis 1. Sex does not play a role in the inheritance of the genes in question
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Examples of the Different Crosses to Test the Hypothesis: 1. Monohybrid Cross: wild type X ebony body (or other non sex-linked mutant: se,dp,vg,) 2. Dihybrid Cross: ebony body X dumpy wings (or other combinations of non sex-linked mutant) 3. Dihybrid Plus Cross: ebony body X white eyes (or other sex-linked mutant)
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Sex Linkage: Sex-Linked (X – Linked): A gene that resides on the sex (X) Chromosome. Female : XX Male : XY NOTE : Since the Y chromosome is relatively small compared to the X chromosome, most of the sex-linked traits (genes) are found on the X chromosome.
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In Summary: Genes that are NOT on the same Chromosome and NOT on the Sex Chromosome will yield the same F1 and F2 phenotypic ratios when crossed. Comparing the F1 and F2 phenotypic ratios of Cross 1 and Cross 2 (reciprocal cross) will determine whether or not sex plays a role in the inheritance of the genes in question.
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1.) Your group will be given 2 Stock Vials. These will be the sources of your Parental Cross (P1) 2.) You must isolate Males from one stock vial (A or B), and isolate Females (
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mendelcrosses - Mendelian Crosses using Drosophila Test the...

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