Genetics

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Across
  1. 2. Point on a chromosome that controls a trait
  2. 3. how an organism appears
  3. 5. The scientific study of heredity
  4. 10. when the organisms alleles for a trait are different
  5. 12. an allele which is expressed,sometimes over another allele
  6. 14. an allele which is present but can remain unexpressed
  7. 15. alternate form of a gene. A or a
Down
  1. 1. combination of alleles an organism has
  2. 4. the percentage of offspring who have a heterozygous phenotype when a dominant homozgous mother is crossed with a reccesive homozygous father
  3. 6. the percentage of offspring that have a reccessive phenotype in a cross between two heterozygous parents (use hyphen if number has two words)
  4. 7. the deliberate breeding of two different individuals
  5. 8. the percentage of offspring with a reccesive phenotype when a homozygous dominant male is crossed with a homozygous reccesive female
  6. 9. both alleles for a trait are the same
  7. 11. a type of square that is used to predict outcomes of breeding in offspring
  8. 13. the percentage of offspring who have a dominant phenotype when a heterozygous mother is crossed with a homozygous reccesive father