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6 th Grade Science

6 th Grade Science. When pollen is transported to a different flower ___________ occurs. Cross-pollination. The of trait that appears in the hybrid generation is the _____________trait. Dominant.

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6 th Grade Science

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  1. 6th Grade Science

  2. When pollen is transported to a different flower ___________ occurs.

  3. Cross-pollination

  4. The of trait that appears in the hybrid generation is the _____________trait.

  5. Dominant

  6. A self pollinated organism that shows the same form of a trait in all its offspring for several generations of self-pollination is said to be____________.

  7. Purebred

  8. What are inherited traits?

  9. Characteristics that are passed from parents to offspring.

  10. The passing of inherited traits from one generation to the next is called___________.

  11. Heredity

  12. Humans do not inherit traits, they inherit ___________for traits.

  13. A capital letter stands for the ________________ factors.

  14. Dominant

  15. Factors

  16. Parents pass inherited traits to their offspring during_______________.

  17. Reproduction

  18. What is a recessive trait?

  19. A recessive trait is the form of a trait hidden or masked in the hybrid generation.

  20. Genes that a carried only on the x chromosome are called_________________.

  21. Sex-linked genes

  22. What are examples of dominate traits? List three of them

  23. Hitchiker’s thumb • Tongue roll • Dark skin • Widow’s peak • Chin dimple • Freckles • Free ear lobes

  24. List 3 genetic disorders

  25. Name the 4 bloodtypes.

  26. A, b, ab, and O

  27. ___________________is the process in which scientists can take the genes of one organism and attach them to another.

  28. Gene-splicing

  29. What is a clone?

  30. A living thing that receives all its DNA from just one parent.

  31. ________________is the process of crossing plants and animals to produce offspring with certain desirable traits.

  32. Selective Breeding

  33. ___________________ is a way of changing the DNA sequence that makes up a gene so that the gene will produce a particular trait.

  34. Genetic Engineering

  35. Who is known for cross breeding plants and coming up with over 300 uses for peanuts.

  36. George Washington Carver

  37. List some results from Luther Burbank’s cross breeding work with plant.

  38. Bigger, white potato • Spineless cactus

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