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Download Patterns of Inheritance Worksheet #1
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Name: _______________________________ Date: ________________________________ Due: ________________________________ Patterns of Inheritance Worksheet #1 Magic Squares Activity for Genetics Terminology Directions: Select the correct definition for each of the terms from your notes. Put the number in the proper cell in the magic square box. If the total of the numbers are the same both across and down, you have found the magic number! Write this number in the blank below the magic square box. Terms A. B. C. D. E. F. G. H. I. Genetics Heredity Trait Allele Phenotype Genotype Homozygous Heterozygous Dominance Definitions 1. one of a number of different forms of the same gene for a specific trait 2. a form of a gene that is expressed even if present with a contrasting recessive allele 3. a section of DNA that carries encoded information about a specific trait 4. the biological principle that recognizes that some alleles are dominant and some are recessive 5. a characteristic that a living thing can pass on to its offspring 6. a word describing an organism that has two different alleles for a particular trait 7. the passing of traits from parents to their young 8. the physical characteristics of an organism 9. the branch of biology that studies traits and their inheritance 10. a form of a gene that is only expressed when two copies are present 11. a word describing an organism that has two identical alleles for a particular trait 12. the genetic makeup of an organism A Magic Square Box (9 pts) B C D E F G H I Magic Number = ___________ (1 pt) In guinea pigs… Black hair is dominant to white hair (use B and b) Long hair is dominant to short hair (use L and l) Small ears are dominant to large ears (use E and e) 1. Give the GENOTYPE for the homozygous individual with… (1 pt) Black hair White hair Black, long hair Black, short hair White, long hair White, short hair Black, long hair and small ears Black, short hair and large ears White, long hair and small ears _______ _______ _______ _______ _______ _______ _______ _______ _______ 2. Give the GENOTYPE for the heterozygous individual with… (1 pt) Black hair Black, long hair Black, long hair and small ears _______ _______ _______ 3. Give the PHENOTYPE for the following individuals. See examples in question #1. (1 pt) BB Bb bb BBll BBLl Bbll BbLL BbLl bbLLee BbLlEe BbllEe Bbllee ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________
