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Chapter 13

Study guide

QuestionAnswer
Allosome (sex chromosomes) mammals and many insect species have set of chromosomes that relates to development of sex organ and sex characteristics
Autosome rest of chromosomes in a cell that is not allosome
Chromosome Inversion part of a chromosome removed, flipped and put back
Karyotype number and appearance of chromosomes in an individual cell
Nondisjunction most embryos that from gametes with abnormal chromosomes number can't develop and are miscarried, examples of abnormal chromosome number can survive to birth or beyond
Translocation parts of a chromosome removed and added to another chromosome
Trisomy Female reproductive system, symptoms might be tendency to be tall and higher rate of learning disorders, may not be detected
Down Syndrome example of abnormal autosomal resulting from non-disjunction of chromosome 21(autosome), individuals have 3 copies of chromosome 21, characterized by distinctively shaped eyelids, and physical and developmental features
Kleinfelter syndrome male reproductive system with extra x chromosome, may have partial breast development and small testes and affect fertility, sometimes not noticed unless more pronounced
Cri-do-chat sysndrome result from deletion of part of chromosome 5p (small arm of chromosome 5) features nervous system abnormalities and certain facial features
Created by: Khanlena
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