This printable crossword puzzle on the topic of Genetics & DNA has 17 clues. Answers range from 4 to 19 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
A segment of DNA or a chromosome that codes for a specific trait.
the variants of a gene; different options/choices of a trait
a fertilized egg; the first cell of a developing offspring
the union of a sperm and egg during sexual reproduction
sex cell; egg and sperm
a zygote which has two of the same alleles; inherited the same allele from both parents
a zygote which has two different alleles; inherited different alleles from each parent
the genetic make-up of a trait
the physical appearance of a trait
a type of cell division that creates gametes (sex cells)
process that occurs during Prophase I of meiosis in which the homologous chromosomes exchange genetic information with each other, results in genetic diversity
A type of inheritance in which the recessive allele is not completely hidden; the heterozygous genotype results in a blending of traits. ex. red, pink, white flowers
A type of inheritance in which both alleles are equally dominant; the heterozygous genotype results in both traits showing. ex. white, black & white, black chicken feathers
A trait that is controlled by more than two alleles. ex. IA, IB, i alleles control blood type
A trait that is carried on the sex chromosomes (X or Y). Usually the trait is carried on the X chromosome, making males more likely to show the phenotype. ex. color-blindness
A genetic diagram that shows the inheritance over several generations of a family
A genetic diagram that shows the chromosomes of an individual organism