The presence of recombinant phenotypes in a genetic cross can indicate: crossing over between homologous chromosomes heteroduplex formation during mitosis independent assortment of non-homologous chromosomes natural selection for increased offspring number a single gene affecting multiple traits
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Which of the following might affect the Mendelian inheritance of organismal traits? Epigenetic effects Crossing over in meiosis Additive effect of genes Epistasis
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Genetic recombination occurs as a result of _____ independent assortment of chromosomes. segregation of chromosomes. polymorphism in the DNA sequences. crossing over of chromosomes. mutations in the genes.
The image shows the location of genes A, B, C, and D on a chromosome. A maternal chromosome has a trait combination of ABCD, while a paternal chromosome has a trait combination of abcd. During meiosis, the gametes that are formed have trait combinations of ABCD, ABcd, abCD, and abcd. What led to the increase in trait variation in the resulting gametes? crossing-over between sister chromatids in prophase II independent assortment of sister chromatids in anaphase II crossing-over between the maternal and paternal chromosomes in prophase I independent assortment of maternal and paternal chromosomes in anaphase I
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