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Study Guide for Test on Chapter 11 and 14-1, 14-2 Chapter 11: Introduction to Genetics o Vocabulary: genetics, fertilization, true-breeding, trait, hybrid, gene, allele, segregation, gamete, probability, Punnett square, homozygous, heterozygous, phenotype, genotype, independent assortment, incomplete dominance, codominance, multiple alleles, polygenic traits, homologous, diploid, haploid, meiosis, tetrad, crossing-over, gene map o Know or be able to: o Explain what was learned from Mendel’s work with pea plants o Determine the probability of a particular event(s) occurring Don’t forget the “And” rule (multiplication) o Distinguish among the terms homozygous recessive, homozygous dominant, heterozygous, truebreeding, and hybrid Be able to provide genotypes based on being given these terms o Distinguish among genotype and phenotype o Perform genetic crosses and determine probabilities using Punnett squares Be able to do problems involving normal dominance, two-traits, incomplete dominance, codominance, blood types, and sex-linked traits o Identify and explain Mendel’s 4 main principles (refer to p. 272 in textbook) o Distinguish among normal dominance, codominance, incomplete dominance, multiple alleles, and polygenic traits Be able to identify examples of each o Explain the importance of meiosis o Describe what happens during each phase of meiosis I and meiosis II Focus on what happens to the chromosomes Know when tetrad formation and crossing-over occurs o Distinguish among the type and number of gametes formed in males vs. in females Know how many sperm, eggs, and polar bodies are formed from one meiosis division o Compare and contrast mitosis and meiosis How many divisions How many cells produced (Are the cells formed genetically identical or different?) What types of cells undergo each process What is the purpose of each type of division o Explain what it means for genes to be linked o Explain what a gene map is Explain how the frequencies of crossing-over between genes can be used to create gene maps Chapter 14-1 and 14-2: The Human Genome o Vocabulary: karyotype, sex chromosome, autosome, pedigree, sex-linked gene, non-disjunction o Know or be able to: o Identify the types of human chromosomes in a karyotype Autosomes vs. sex chromosomes (how many total chromosomes in humans?) o Explain what a karyotype is and what can be learned from it If given a karyotype, be able to provide information about it by analyzing it o Explain how sex is determined (male vs. female) o Explain how pedigrees are used to study human traits If given a pedigree, be able to provide information about it by analyzing it o Explain what sex-linked disorders are and why they are more common in males Identify some sex-linked disorders o Explain the process of X-chromosome inactivation Know what Barr body is and what it is formed from o Summarize non-disjunction and the problems it causes Define monosomy (1 chromosome in a cell) and trisomy (3 chromosomes in a cell)