genetics

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Across
  1. 2. / An individual formed by mating between unlike forms, usually genetically differentiated populations or species.
  2. 4. /the union of two gametes
  3. 5. /having three or more sets of chromosomes
  4. 6. / The basic unit of heredity passed from parent to child.
  5. 8. / a study of genes
  6. 9. / one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.
  7. 10. / a trait that is expressed only when genotype is homozygous
  8. 11. /The observable characteristics in an individual resulting from the expression of genes
  9. 12. the presence of two complete sets of chromosomes
  10. 13. recombination /a process by which pieces of DNA are broken and recombined to produce new combinations of alleles
  11. 15. the presence of a single set of chromosomes in an organism's cells
  12. 16. /The presence of two identical alleles at a particular gene locus
Down
  1. 1. / the relationship between two versions of a gene
  2. 2. /The presence of two different alleles at a particular gene locus
  3. 3. chromosome / Two chromosomes in a pair – normally one inherited from the mother and one from the father
  4. 7. of segregation /describes how pairs of gene variants are separated into reproductive cells
  5. 8. /a scoring of the type of variant present at a given location in the genome
  6. 10. / the production of offspring.
  7. 13. / a reproductive cell of an animal or plantd
  8. 14. of independent / assortment how different genes independently separate from one another when reproductive cells develop.