Kingdom Plantae - PowerPoint PPT Presentation

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Kingdom Plantae

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  1. Kingdom Plantae

  2. Kingdom of complex, multi-cellular autotrophic, eukaryotic organisms that are usually green and use photosynthesis to make oxygen & sugar

  3. Chlorophyll

  4. the green pigment IN chloroplasts where photosynthesis occurs Chloro = green

  5. Mitosis

  6. division of the nucleus in eukaryotic cells in w/ each new daughter cell (2 of them) receives an EXACT copy of the original chromosomes – USED BY SOMATIC (BODY CELLS) the 2 new daughter cells will be IDENTICAL to the original parent cell Think: “MY TOES” are part of your BODY…

  7. Meiosis

  8. nuclear division that produces sex cells – Each new daughter cell (4) will have ½ the number of chromosomes as the original parent cell. Sex cells = gametes

  9. Heterozygous

  10. describes an organism or trait that has two different alleles for the same trait (Bb) also known as HYBRID Hetero = different

  11. Homozygous

  12. describes an organism or trait that has two identical alleles for the same trait (BB or bb) also known as PUREBRED Homo = same (identical)

  13. Chromosomes

  14. coiled structure of DNA and protein that forms in the cell nucleus during cell division – carries your genetic information

  15. Heredity

  16. the passing of traits from parent to offspring

  17. Punnett Squares

  18. a tool scientist use to predict all of the possible combinations of alleles that offspring can inherit from 2 parents

  19. Genes

  20. segments of DNA, located on chromosomes, that carry the heredity instructions that are passed from parent to offspring

  21. Alleles

  22. different forms of the same gene

  23. Genotype

  24. y the inherited combination of alleles (could be BB, Bb or bb) that an offspring inherits (what is “written” on your genes…)

  25. Phenotype

  26. the physical expression of the inherited combination of alleles (could be brown or blue…) What you can actually see – freckles, dark hair, eye color, etc….. (pheno – face they start with same sound)

  27. Natural Selection

  28. “Survival of the Fittest” The process through which members of a species are best suited to their environment survive and reproduce at a higher rate then other members of the species (the driving force behind evolution)

  29. Selective Breeding

  30. also applies to genetic engineering: The process of breeding organisms with specifictraits

  31. Binary Fission

  32. the simple cell division in which one cell splits into 2 new identical cells; asexual reproduction