CHAPTER 11 - CHAPTER 11 THE BASIC PRINCIPLES OF HEREDITY 1....

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CHAPTER 11THE BASIC PRINCIPLES OF HEREDITY1.Heredity: transmission of genetic information from parent to offspring2.Genetics: the science of heredity3.Mendel’s work with peasa.Easy to grow and many varieties readily availableb.Easily distinguishable traitsc.Fast reproductiond.Controlled pollinations easy to conducti.Self-pollinate: male and female gametes from same flower4.Hybrid: offspring of two genetically dissimilar parentsa.Why hybrids mate with each other, they do not breed “true” b.Offspring of hybrids will show a mix of traits5.Genotype: genetic makeup of an organism6.Phenotype: physical appearance of an organisma.Ex. Brown fur7.Gene: unit of heredity (segment of DNA located on a chromosome)8.Alleles: alternative forms of a gene9.Locus (plural: loci): site of a gene on the chromosome10.A gamete has one set of chromosomes, the n number. It carries one chromosome of each homologous pair. When the gametes fuse, the resulting zygote is diploid (2n) and has

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Term
Spring
Professor
McDearman
Tags
Biology, Genetics, Chapter 11, recessive allele, homologous chromosomes, dominant allele

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