heredity and traits

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Across
  1. 1. traits appear or are expressed is the organism's phenotype.
  2. 4. is the selection and breeding of organisms for desired traits.
  3. 6. is when an organism's genotype has two identical alleles for a trait.
  4. 8. is a genetic factor that is blocked by the presence of dominant trait.
  5. 9. is when an organism genotype has two different alleles for a trait.
Down
  1. 2. is the passing of traits from parents to offspring.
  2. 3. is the alleles of all the genes on an organism's chromosome make up the organism's genotype.
  3. 5. is a genetic factor that is blocked by the factor.
  4. 7. is the study of how traits pass from parents to offspring.