Printable Crossword Puzzle
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