- Knowing the basic concepts of heredity, how traits are passed down from one generation to the next and what is their passing based on.
- Understanding the structure of the chromosome.
- Understanding that the determination of traits is affected by both genotype and phenotype.
Heredity means the transmission of traits from one generation to another.- The traits are caused by genes, or hereditary factors. Genes are contained in chromosomes formed from DNA.
- All cells, except for germ cells, have 46 chromosomes. Germ cells have 23 chromosomes.
- A genotype is inherited by an individual.
- A phenotype is an entity influenced by the genotype and the environment, i.e. expression.
- Keywords: heredity, chromosome, allele, genotype, phenotype
