Genetics

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Across
  1. 3. Trait a trait that is expressed when an organism has two recessive alleles or forms of a gene
  2. 7. a self-replicating material which is present in nearly all living organisms as the main constituent of chromosomes
  3. 8. a person's child or children.
  4. 9. the genetic constitution of an individual organism.
  5. 12. Square s a square diagram that is used to predict the genotypes of a particular cross or breeding experiment.
  6. 13. a process where a single cell divides twice to produce four cells containing half the original amount of genetic information.
  7. 15. Reproduction a type of reproduction that does not involve the fusion of gametes or change in the number of chromosomes
  8. 16. Disease is a health problem caused by one or more abnormalities in the genome.
Down
  1. 1. a unit of heredity which is transferred from a parent to offspring and is held to determine some characteristic of the offspring.
  2. 2. the fusion of haploid gametes, egg and sperm, to form the diploid zygote.
  3. 4. Trait is an inherited characteristic that appears in an offspring if it is contributed from a parent through a dominant allele
  4. 5. Chart a diagram that shows the occurrence and appearance of phenotypes of a particular gene or organism
  5. 6. having or developing buds.
  6. 10. an individual animal, plant, or single-celled life form.
  7. 11. a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.
  8. 12. the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.
  9. 14. a membrane-bound organelle that contains the cell's chromosomes.