Mendelian Genetics

123456
Across
  1. 1. an organism’s genetic makeup or allele combinations
  2. 5. an organism’s physical appearance or visible trait
  3. 6. a trait that is expressed only when two alleles are present.
Down
  1. 1. pair of matching alleles for a trait
  2. 2. an alternate form of a gene
  3. 3. genes where one is dominant and one is recessive
  4. 4. a trait that is always expressed in the phenotype of an organism.