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C and E Chapter 3 Genetics Answer Key

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#1 When heterozygotes have the phenotype of both traits it is called What is Codominant?
#2 Traits are controlled by.... What are alleles?
#3 The likelihood that a particular event will happen is What is probability?
#4 During Meiosis, sex cells form when chromosome pairs .... What is Separate?
#5 The process by which m-RNA is produced from a single strand of DNA template. What is Transcription?
#1 The physical appearance of an organism is called it's What is phenotype?
#2 A change in a gene or chromosome is called a What is mutation?
#3 Mendal used these plants in his experiments What are purebred pea plants?
#4 These are made of genes joined together like beads on a string What are Chromosomes?
#5 Different forms of genes are called What are alleles?
#1 Proteins are made in this PART of the cell What is the cytoplasm?
#2 Whether a mutation is considered helpful or harmful partly depends on What is the organisms environment?
#3 In the genetic code, a group of three nitrogen bases code for a specific What is amino acid?
#4 The number of chromosomes is reduced in half during what process? What is Meiosis?
#5 Mutations can be the source of.... What is Genetic Variety?
#1 An allele whose trait always shows up is known as What is the dominant allele?
#2 The theory that genes are carried from parent to offspring on chromosomes. What is Chromosome Theory of Inheritance?
#3 A mutation that causes disease resistance would be considered... What is a helpful mutation?
#4 The 3 letter base code on the m-RNA is called a What is a codon?
#5 Mutations can affect protein synthesis in cells by producing the What is the incorrect protein?
#1 An organism that has 2 different allele for a trait is called What is hybrid or heterozygous?
#2 The passing of traits from parent to offspring is What is heredity?
#3 This process produces proteins on ribosomes? What is Translation?
#4 Mutations that improve an organisms chances of survival and reproduction are What is helpful?
#5 Unlike DNA, RNA contains the nitrogen base called.... What is Uracil?
Final Question
What are the 2 reasons that Mendel chose to use Pea plants to study heredity? What is they produce many offspring in one generation and their traits only come in 2 forms?