Biology 1001A Lecture Notes - Lecture 10: Fetus, Gametophyte, Homologous Chromosome

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Haploid means you have just 1 copy of each chromosome (or the homologue) Doesn"t matter if the chromosome is replicated or not same size same shape is homologue. 2 is wrong because the 2 large chromosomes and 2 small chromosomes can pair up. Repairing double stranded breaks create copy number variations in a genome. Sexual reproduction itself (recombination in meiosis is a very controlled/precise mutation when. Random segregation of homologous chromosomes at anaphase i of meiosis. Random segregation of the chromatids of replicated chromosomes at meiosis ii is a third mechanism for generating diversity. Cnvs from unequal crossing-over in meiosis (genetic recombination) Zygotes bring dna from 2 different cells into the same cell. Homologous chromosomes carry the same genes in the same places, but different alleles karyotypes are cut and paste by human, put together same size same shape from largest to small. Homologues have the same genes in the same places. How homologues are the same and different.

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