L.S. 14 Change over Time

Matching Match the term with the correct description. Mutation A change in the number or structure of a single chromosome or whole sets of chromosomes Translocation Chromosome pieces are moved onto another chromosomes Inversion Chromosome segment is inserted in reverse order Duplication A segment of a chromosome is repeated Deletion Segment of a chromosome is removed Insertion Segment of chromosome is inserted into another Haploid A sex cell that has half the number of chromosomes that a body cell has Diploid A cell with 2 sets of chromosomes (1 male; 1 female) Triploid A cell with 3 sets of chromosomes Fill in the blanks with the term(s) that makes the statement correct. 1. Mutations are inheritable changes because a mutation is a change in the DNA code.2. Adaptations are structures, functions, or behaviors that enable a species to survive.3. A mutation may result in a favorable change or adaptation in genetic information that improves a species’ ability to exist in its environment, or a mutation may result in an unfavorable change that does not improve or impedes a species’ ability to exist in its environment.4. The evidence for evolution is drawn from a variety of sources of data, including the fossil record, the distribution of organisms, and anatomical and developmental similarities across species.5. Natural selection is the survival and reproduction of the individuals in a population that exhibit the traits that best enable them to survive in their environment. AKA: survival of the fittest.6. If a species does not include traits that enable it to survive it may become extinct.7. Charles Darwin is the father of evolution. Mutations Using the following DNA sequence, determine the type of mutation that has occurred with the new sequence. T A C A C C T T G G C G A C G A C TUSE THESE ANSWERS:InsertionSubstitutionDeletion New sequence Type of mutation T A C A T C T T G G C G A C G A C T Substitution T A C G A C C T T G G C G A C G A C T Insertion T A C A C C T T G G G A C G A C T Deletion What disorder does this karyotype indicate? Sickle Cell Anemia Brown Eyes Turner Syndrome Trisomy 21/ Down's Syndrom