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BIO EXAM #1 Answer key

by: Notetaker

BIO EXAM #1 Answer key 207/41320

Marketplace > University of St. Thomas > 207/41320 > BIO EXAM 1 Answer key
User_39347_profile9613 Notetaker
GPA 4.0
Genetics Ecology Evolution

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answer key to exam #1 questions
Genetics Ecology Evolution
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This 5 page Study Guide was uploaded by Notetaker on Sunday September 27, 2015. The Study Guide belongs to 207/41320 at University of St. Thomas taught by Lewis in Summer 2015. Since its upload, it has received 19 views.


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Date Created: 09/27/15
Biology 207 Exam 1 Answer Key Chapter 1 1 the scientific study of life 2 tissues 4 eukaryotic and prokaryotic 5 nucleotides 7 Organisms typically produce too many offspring and resources are limited 8 True 9 False it generates testable hypothesis is supported by a large body of evidence and is broad in scope 10 Birth defects 11 Fat milk 12 A 13 True 141GZD 3A 4E5F6H7BSC Chapter 13 1 sister chromatids 2 centromere 3 kinetochores 4 interphase 10 11 12 13 14 14 15 16 17 18 19 20 21 22 23 24 25 mitotic spindle chromatin cytokinesis centrosomes In the S phase When they separate in anaphase A S phase B 62 C 61 checkpoint D M phase E M phase F M phase True C A anaphase B cytokinesis C prophase D Metaphase E teophase b 2 4 Asexual reproduction Meiosis 23 16 False it occurs in meiosis Prophase Anaphase True Diploid D 26 true 27 2x 28x 29 a 30 prophasel 31 Metaphase 32 The homologous chromosomes are paired in meiosis but not mitosis 33 9 34 36 35 18 Chagter 14 1 a cross between an unknown genotype and a homozygous recessive individual 3 meiosis 1 4 anaphase 5 true 7 false metaphase I non homologous chromosomes separate independently of each other 8 934 9 16 101231 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 neither allele is completely dominant to the other results in a phenotype that is intermediate between the phenotypes of the two homozygotes Results in both alleles fully expressing their phenotype in the heterozygote A 23 true 12 a quotA B quotB C ii D ii quotA l quotB l quotA quotB E 1A 1A 1A BBx bb 25 100 Epistasis is when one gene alters the expression of another gene Pleiotropy is when one allele has multiple phenotypic effects Chapter 15 1 True 1 deletion 2 duplication 3 translocation 4 inversion 5 duplication 6 translocation 7inversion d the mother only 5 nondisjunction is an error in cell division that causes homologous chromosomes or sister chromatids to move to the same side of the dividing cell 8 a0 b 12 c116 9 a b 12 Chagter 16 1 a 2 nitrogen base sugar phosphate group 3 d 4 1 5 5 5 3 6 thymine cytosine 7 Hershey and Chase 8 DNA 9 Hydrogen bond 10 True 11 False 3 end 12 Helicase 13 True


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