science

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Across
  1. 4. a force which tries to pull two objects toward eachother
  2. 5. visibility of the moon getting smaller
  3. 6. the quantity of matter within a given object
  4. 9. the study of how genes and how traits are passed down from one generation to the next
  5. 10. the star around which the planets revolve, from which they receive heat and light
  6. 11. an event in which a planet's subsolar point passes through its Equator
  7. 12. an observable trait
  8. 13. a tissue, fluid, or other bodily sample of an individual on which a DNA analysis can be carried out.
  9. 15. the genetic makeup of an organism
  10. 17. a table in which all of the possible outcomes for a genetic cross between two individuals with known genotypes are given
  11. 18. a mechanism of evolution
Down
  1. 1. visibility of the moon getting bigger
  2. 2. A change in the usual DNA sequence at a particular gene locus
  3. 3. an astronomical event that occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened
  4. 7. One of two or more versions of a genetic sequence at a particular region on a chromosome
  5. 8. The partial or total blocking of light of one celestial object by another
  6. 9. The basic unit of heredity passed from parent to child
  7. 10. occurs when the moon “eclipses” the sun
  8. 14. a certain phase of the moon, when it's bulging outward but isn't quite full
  9. 16. a physical model that is geometrically similar to an object