Biology YR10 Ranjaya

• Punnett Square


  • A tool used to predict the possible breeding outcomes
  • Specific characteristic that varies from one individual to another
• Dominant Trait


  An inherited trait that is present even when only one of the possible forms of a gene is present
• Recessive Trait


  Genetic trait in which two copies are needed for that trait to be expressed
• Genotype


  • The letter combination of a trait
  • having two different alleles for a particular gene
• Phenotype


  • the physical characteristics of an organism
  • inherited only from one parent
• Trait


  Specific characteristic that varies from one individual to another
• Allele


  one of the possible forms of a gene
• Heterozygous


  having two different alleles for a particular gene
• Homozygous


  having two identical alleles for a particular gene
• Probability


  likelihood that a particular event will occur
• Gene


  sequence of DNA that determines a specific trait
• Heredity


  The passing of genetic traits from parent to offspring or from one generation to the next
• Meiotic prophase I is the longest phase, lasting about 12 hours.