Genetics Crossword Puzzle

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Across
  1. 5. organism that has two different alleles for a trait.
  2. 7. derived genetically from one's parents or ancestors.
  3. 8. threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
  4. 10. person's child or children.
  5. 12. set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.
  6. 13. disruption of normal physical or mental functions
  7. 14. Breeding, to undertake or engage in hybridizing; hybridize.
  8. 15. traits,The trait that is present at the gene level but is masked and does not show itself in the organism.
  9. 17. study of heredity and the variation of inherited characteristics.
  10. 19. Square, a square diagram that is composed of a grid of usually four boxes and is used to calculate and depict all the combinations and frequencies of the different genotypes and phenotypes among the offspring of a cross in accordance with Mendelian inheritance.
Down
  1. 1. action or process of fertilizing an egg, female animal, or plant, involving the fusion of male and female gametes to form a zygote.
  2. 2. of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.
  3. 3. unit of heredity which is transferred from a parent to offspring and is held to determine some characteristic of the offspring.
  4. 4. passing on of physical or mental characteristics genetically from one generation to another.
  5. 5. two identical alleles of a particular gene or genes.
  6. 6. two different alleles of a particular gene or genes.
  7. 9. to measure the chances or likelihood of an event to occur, a hypothesis being correct, or a scientific prediction being true.
  8. 11. type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes and plant spores.
  9. 16. genetic constitution of an individual organism.
  10. 18. traits, A genetic trait is considered dominant if it is expressed in a person who has only one copy of that gene.