Presley Ferry Biology - Genetics Exam Study Guide PDF

esleyFerry Biology - Genetics Exam – Study Guide We will be going over the study guide on December ________. If you have any questions, let me know before the review session Your exam is scheduled for ________________________...

esleyFerry Biology - Genetics Exam – Study Guide We will be going over the study guide on December ________. If you have any questions, let me know before the review session Your exam is scheduled for _________________________ Some information that you should especially be familiar with the following terms (including definition and anything else that might relate to it) but not limited to: Alleles, differentformsof a gene particulartrait heterozygous, anorganismthathastwodifferentallelesfora homozygous, anorganismthathastwo trait foraparticular identicalalleles Gregor Mendel, in a I phenotypeis between incomplete dominance,heterozygous allele, alternateformsofagene skincolor characteristic exhuman polygenic traits, onegeneimpacts a blood individualswhohavetypeAB reproductivec codominant alleles, bothallesareexpressed in heterozygous somaticnon foundin typically parent inherited eachfrom chromosomesone setsof diploid,Ncellororganismthathastwo in gametes ex humans 99or n 23 chromosomes 1ofeach haploid,Nhalfsetof linked genes,onesamechromosome thecloser they cross overtogether moreof ten gene maps, Ymogfmgrossing over bhfdareofnfreng.ve probability, likelihoodofanoutcome ex 5050 508chanceqfafy.isgj9 ex chromosome gene10,9999 on sex-linked genes, a isfemale ismale pedigrees, familytree on genetictraits dominant allele, expressedafter heterozygous orhomozygous dgy Ise recessive lowercase whenhomozygous recessive allele, onlyexpressed nondisjunction failure of igmomsq.mg toseparate meiosis I Meiosis is  You should know: 1. Know how to do Punnett Squares – include 3 with their explanations (genotype, phenotype, ratio, probability) 2. Know how to do Pedigrees – include 2 with their explanations (3 generations – Punnett squares, proper shading and labeling) 3. When you flip a coin, what is the probability that it will come up tails? 112 or 508 4. What are Gregor Mendel’s contribution to genetics? began study ofgenetics 5. What do Gregor Mendel’s principles of genetics apply to? all organisms 6. What chromosomes determine the female gender and the male gender? large t chromosomes eanecyoaitnms.me XY 7. What disorders are: dominant, recessive, and sex-linked? y SL Intington isease Hemophilia Xlinked Good Luck! she ftp.p.grnoplasiacaformof colorblindness e EEE i ti i sina.i mononybridge itwotraits R R ii it iiiiii.EE yrYyRr Yeryeryer wRW RW 65080YyRrand508yyRr W RW RW YR 5018fromYyRr Phenoyellowing Gregg cyyar 508 fromYYRr G Alloffspringare heterozygous RW round ratio 501 yellow 50 greenroundhaveyellowroundseeds Pheno gyw.ie ii ehEm isfull i Probability 5018foroffspringto seeds regagatite 508forgreenround flowers Ratio1008pink probability 188191  Inheritance Autogmmahant Achondroplasia GenerationIndividual Individual Individual Trait Achondroplasia Dominantallele A causes the disorder a etd and recessive 98s I AW a normal Generation Parent affected 1 Acth acnormal Affected Payenntrm caa Geffen generation 111 children acnormal Generation 111 MMected Affeldt generation of Punett Square A a a AR aa a Aa aa Genotype of Parents heterozygous Parent 1 is Aa homozygous Parent 2 is aa recessive Genoto 5prfng 508chance theoffspring will inherit the dominant and whtineed.tt 9eEsive allele a and be unaffected  7 phenotype 508 affected Aa unaffected aa rtte9a'dmiEetiesHive Genera.at ndi ff 5080chance ofbeing affectedby tht allele with CysticFibrosis Autosomal RecessiveInheritance Generation Individual Individual2 Individual 3 Individual 4 1 Cc Cc 11 c carrier affects c carrier carrier 11 c Punnet Square C c CC Ch i A a Parents Genotype of heterozygous Both carriers Cc Genotype of_258chance of inheriting dominant homozygous offspring the genotype CC a 508 heterozygous chance of being carriers c inheriting of alleles 258chance recessive two cc 199 Inrosis unaffected CC Phenotype 2580chance of 5010Chance of carrier c 25010Chance they will be unaffected CC Generation 11 2510 chance each child will have cystic fibrosis cc 5080 chance they will be carriers Cc 25010 chance they will be unaffected CC