Genes & Heredity-2 Word Scramble
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Term | Definition |
DNA | Double helix long, twisted molecule strand; Stores heredity information; 4 different chemical bases: Adenine--Thymine; Guanine--Cytosine |
RNA | Single helix strand Has four bases---> Adenine - Uracil Guanine - Cytosine |
REPLICATE | To copy or duplicate itself |
CHROMOSOME | Threadlike structure in the cell nucleus; Carries genetic information in DNA molecules |
"X" CHROMOSOME | One of the two chromosomes that determine the sex Female egg cell has TWO “X” chromosomes Male sperm cell has ONE “X” chromosome |
"y" CHROMOSOME | One of the two chromosomes that determine the sex Male sperm cell has ONE X chromosome and ONE Y chromosome; Male sperm determines the sex of offspring |
PUNNETT SQUARE | Diagram used by scientists PREDICTS probability off-spring will inherit a trait. |
PEDIGREE CHART | Diagram used by scientists to TRACE present of a genetic disease in a family. i.e., sickle cell |
MUTATION | A change with a gene or chromosome; Caused randomly or by environmental conditions. In "sex" cells (sperm/egg)--passed down to the next generation In "body" cells--function of cell could be effected; however, may not pass to next generation |
CLONING | Process used by scientists; Reproduces an organism from its own DNA |
Created by:
pj johnson
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