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APA Unit 12 Lesson 2

AP A Unit 12 Lesson 2 Key Terms

QuestionAnswer
alternation of generations A life cycle in which there is both a multicellular diploid form, the sporophyte, and a multicellular haploid form, the gametophyte; characteristic of plants and some algae.
crossing over The reciprocal exchange of genetic material between nonsister chromatids during prophase I of meiosis.
diploid A cell containing two sets of chromosomes (2n), one set inherited from each parent.
haploid A cell containing only one set of chromosomes
homologous chromosomes A pair of chromosomes of the same length, centromere position, and staining pattern that possess genes for the same characters at corresponding loci. One homologous chromosome is inherited from the organism’s father, the other from the mother. Also called
homologs Another word for homologous chromosomes.
karyotype A display of the chromosome pairs of a cell arranged by size and shape.
Created by: Jason Stanwood
 

 



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