STUDENT_review_pictures_CH_12_second_half_CH_13_and_CH_14

STUDENT_review_pictures_CH_12_second_half_CH_13_and_CH_14 -...

Info iconThis preview shows pages 1–33. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Review Materials for the Final Exam (not cumulative) on CH 12 (2nd half), CH 13, and CH 14 Use the web site below for review questions: http://wps.prenhall.com/esm_audesirk_bloe_7/1,8753,1139971,.html CH 12 (second half) PICTURES Karyotype.swf (use Apple Quicktime to open and view) Complete Linkage x AB ab 50% AB 50% ab All AaBb meiosis, gamete formation Parents: F 1 offspring: Equal ratios of two types of gametes: A B a b A B a b a b A B Incomplete Linkage Parents: F 1 offspring: Unequal ratios of four types of gametes: All AaCc x meiosis, gamete formation AC ac A C A C A C a c a c A c a C a c 85% parental genotypes 15% recombinant genotypes Crossover Frequency Proportional to the distance that separates genes A B C D Pedigree Symbols Pedigree for Polydactyly I II III IV V 5,5 6,6 5,5 6,6 5,5 6,6 5,5 6,6 5,5 6,6 5,5 6,6 6,6 5,5 6,6 5,5 5,6 6,7 6,6 6,6 male female Black = # fingers Blue = # toes Autosomal Recessive Inheritance Patterns If parents are both heterozygous, child will have a 25% chance of being affected Autosomal recessive.swf (use Apple Quicktime to open and view) Galactosemia Caused by autosomal recessive allele Gene specifies a mutant enzyme in the pathway that breaks down lactose So, cant convert lactose completely = problems galactose-1- phosphate enzyme 2 lactose galactose enzyme 1 + glucose glucose-1- phosphate enzyme 3 intermediate in glycolysis Autosomal Dominant Inheritance Trait typically appears in every generation If one parent is heterozygous (diseased), child will have a 50% chance of being affected Autosomal dominant.swf (use Apple Quicktime to open and view) X-Linked Recessive Inheritance Males show disorder more than females Son cannot inherit disorder from his father (why?) X-linked recessive.swf (use Apple Quicktime to open and view) XY XX = disease allele = diseased phenotype = male = female Types of disease transmission X X XY marries P 1 F 1 X X X XX X Y Y F 2 Results depend on which 2 individuals mate X X marries P 1 F 1 X X X XX X Y Y F 2 XY X X XX X Y XY X X marries P 1 F 1 X X Y Y F 2 XY XX X Y XY XX X X X X XY marries P 1 F 1 X XX X Y Y F 2 Results depend on which 2 individuals mate X X X X Duplication normal chromosome one segment repeated three repeats Duplication.swf (use Apple Quicktime to open and view) Inversion segments G, H, I become inverted Inversion.swf (use Apple Quicktime to open and view) In-text figure Page 206 Translocation one chromosome a nonhomologous chromosome nonreciprocal translocation Translocation.swf (use Apple Quicktime to open and view) Deletion Deletion.swf (use Apple Quicktime to open and view) chromosome alignments at metaphase I nondisjunction at anaphase I alignments at metaphase II anaphase II n + 1 n + 1 n- 1 n- 1 gametes Nondisjunction incidence per 1,000 births 20 15 10 5 20 25 30 35 40 45 mother's age 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 XX XX O XX O O XX Y Y X X x x x x XXY XXX YO XO gamete nondisjunction gamete...
View Full Document

This document was uploaded on 10/26/2011 for the course BIOL 1002 at LSU.

Page1 / 137

STUDENT_review_pictures_CH_12_second_half_CH_13_and_CH_14 -...

This preview shows document pages 1 - 33. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online