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Understanding Harmful Mutations and Genetic Inheritance

Learn about harmful mutations, genetic inheritance, and the relationship between genes, chromosomes, and traits. Explore the concepts of dominant and recessive alleles, phenotypes, and genotypes.

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Understanding Harmful Mutations and Genetic Inheritance

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  1. A B C D E F G 100 100 100 100 100 100 100 200 200 200 200 200 200 200 300 300 300 300 300 300 300 400 400 400 400 400 400 400 500 500 500 500 500 500 500

  2. Row 1, Col 1 What is harmful mutation If this reduces the organism’s chances for survival and reproduction.

  3. 2,1 What is mutation Any change in a gene or chromosome.

  4. 3,1 How amino acids are put together to form a protein. The order of the bases along a gene determines?

  5. 5,1 Many genes put together Chromosomes are made of ?

  6. 1,2 Half the number of chromosomes in body cells. When sex cells combine to produce offspring, each sex cell will contribute?

  7. 2,2 Half the number Walter Sutton discoved that sex cells of grasshoppers have what amount of chromosomes as the body cells?

  8. 3,2 The chromosome theory of inheritance “Genes are carried from parents to offspring on chromosomes” is known as what?

  9. 4,2 Heterozygous organism Two different alleles for a trait is called a?

  10. 5,2 Genotype Genetic makeup is known as?

  11. 1,3 Phenotype An organisms physical appearance is its

  12. 2,3 100% If a homozygous black guinea pig (BB) is crossed with a homozygous white guinea pig (bb), what is the probability that an offspring will have black fur?

  13. Probability A number that describes how likely it is that an event will occur. 3,3

  14. 4,3 Alleles The different forms of a gene are called

  15. 5,3 One dominant allele and one recessive allele What does the notation (Aa) mean to geneticists?

  16. 1,4 Two dominant alleles What does the notation AA mean to geneticists?

  17. 2,4 Hybrid Scientists call an organism that has two different alleles for a trait a ?

  18. 3,4 Genes Factors that control traits are called?

  19. 4,4 He cross-pollinated plants What did Gregor Mendel do to study different characteristics in his genetics experiments?

  20. 5,4 It has a Capital letter In a Punnett square, how do you know which trait is dominant?

  21. 1,5 It is a lower case letter In a Punnett square, how do you know which trait is recessive?

  22. 2,5 TT and tt Pure Bred Tall parents bred with purebred short parents, (pea plants) would have what genotypes?

  23. 3,5 Tt What would the off spring genotypes be?

  24. 4,5 Tall What is the phenotype of the F1 generation if they are Tt?

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