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Genetics Terminology

Across                                                                Down

2. detectable inheritable feature                            1. organism's genetic makeup
5. study of heredity and herditary variation            3. organizational unit of hereditary info.
7. chromosomes with same size, shape,                4. continuity of biological traits from one
    centromere position, staining pattern,                     generation to the next
    and genetic loci                                                6. both alleles fully expressed in
12. occurs among somatic cells                                  heterozygote
13. chromosome fragment joins                            8. disorders caused by one defective allele
      nonhomologous chromosome                              at different loci and significant
14. ordered display of somatic cell's                          environmental influence
      metaphase chromosomes                                9. two different alleles for a character
16. alternative/variant forms of a                          10. organisim's appearance
      character                                                       11. produces four genetically unique
17. discrete unit of hereditary info.                               hapliod daughter cells
18. normal, most common phenotype                   13. used to determine genotype of one
      in natural population                                             parent if other is known to be
19. one gene (non allelic) affects                                 homozygous recessive
      expression of another gene                             15. single gene affects multiple
20. rare changes in DNA                                             phenotypic traits
 
 
 

                                          Solution
Across                                                              Down
      2. character                                                       1. genotype
      5. genetics                                                         3. chromosome
      7. homologues                                                   4. heredity
      12. mitosis                                                         6. codominance
      13. translocation                                                8. multifactorial
      14. karyotype                                                    9. heterozygous
      16. trait                                                            10. phenotype
      17. gene                                                           11. meiosis
      18. wildtype                                                     13. testcross
      19. epistasis                                                      15. pleiotropy
      20. mutations