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X-inactivation

Pearson Ch 15 - The Chromosomal Basis of Inheritance

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Biology
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Genetics
Cytogenetics
Molecular genetics
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chromosomes
Y chromosome
Homologous chromosome
Genomic imprinting
X-inactivation
Genetic linkage
Allosome
X chromosome

Ch 15: The Chromosomal Basis of Inheritance and Gene Linkage Overview: Locating Genes on Chromosomes Mendel?s ?hereditary factors? were genes Today we can show that genes are located on chromosomes The location of a particular gene can be seen by tagging isolated chromosomes with a fluorescent dye that highlights the gene The chromosome theory of inheritance states: Mendelian genes have specific loci (positions) on chromosomes Chromosomes undergo segregation and independent assortment The behavior of chromosomes during meiosis can account for Mendel?s laws of segregation and independent assortment Concept 15.1: Mendelian inheritance has its physical basis in the behavior of chromosomes Morgan?s Experimental Evidence

AP Bio Reading Guide Answers CH 15

Subject: 
Biology
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Biology
Genetics
Cytogenetics
Molecular genetics
Classical genetics
Epigenetics
Chromosome
Genetic linkage
Homologous chromosome
Chromosomal crossover
Genomic imprinting
X-inactivation
health

Copyright ? 2011 Pearson Education, Inc. -1- Name_______________________ Period___________ Chapter 15: The Chromosomal Basis of Inheritance Concept 15.1 Mendelian inheritance has its physical basis in the behavior of chromosomes 1. What is the chromosome theory of inheritance? The chromosome theory of inheritance is a basic principle in biology stating that genes are located at specific positions (loci) on chromosomes and that the behavior of chromosomes during meiosis accounts for inheritance patterns. 2. Explain the law of segregation. Use two different colored pencils to illustrate the segregation of alleles. You may want to consult Figure 15.2 in your text, and model your sketches on this.
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