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| Description: (a) Trihybrid 1 is a+b+c+/abc. Meiosis in trihybrid 1 produces two chromosomes with parental combinations of alleles, a total of four single-crossover chromosomes in two pairs, and two double-crossover chromosomes. (b) Trihybrid 2 is a+bc+/ab+c. Meiosis in this organism also produces parental, single-crossover, and double-crossover chromosomes, but the alleles on these chromosomes differ from those of trihybrid 1 due to different allele configurations of the parental chromosomes(a) Trihybrid 1 is a+b+c+/abc. Meiosis in trihybrid 1 produces two chromosomes with parental combinations of alleles, a total of four single-crossover chromosomes in two pairs, and two double-crossover chromosomes. (b) Trihybrid 2 is a+bc+/ab+c. Meiosis in this organism also produces parental, single-crossover, and double-crossover chromosomes, but the alleles on these chromosomes differ from those of trihybrid 1 due to different allele configurations of the parental chromosomes (a) Trihybrid 1 abc E; m a+ b+c* 1 Ga metes Trihybrid chromosomes Parental (no recombination) Single crossover (recombination between a and b) Single crossover (recombination between b and c) Double crossover (recombination between both pairs) (b) Trihybrid 2 abc as m a+bc* 1 Ga metes Picture Stats: Views: 91 Filesize: 390.84kB Height: 1848 Width: 1800 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=49051 |