An individual with a a trisomy has a. 3 copies of one chromosome b. 3 sets of chromosomes c. 3 missing chromosomes d. only one set of chromosomes e. one missing chromosome QUESTION 2 Down Syndrome is due to the karyotype a. monosomy for the X chromosome. b. trisomy 21 c. trisomy for the X chromosome d. monosomy 21 e. the XYY karyotype
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So, the answer is (a). For Question 2, Down Syndrome is due to trisomy 21. So, the answer is (b). Show more…
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An individual with a trisomy has a. 3 copies of one chromosome b. 3 sets of chromosomes c. 3 missing chromosomes d. only one set of chromosomes e. one missing chromosome
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Individuals with Down syndrome have ___ of chromosome 21. A. three copies B. two copies C. no copies D. one copy
Trisomy 21 (Down syndrome) can result from a. None of the other choices is valid b. 4 extra chromosome sets of haploid genome are present. c. Sex chromosomes trisomy d. Sex chromosome diploidy e. Structural abnormalities in the mitochondria
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