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Bio vocab
vocab
Term | Definition |
---|---|
Heredity | set of characteristics an organism receives from its parents |
Genetics | study of heredity |
Hybrid | the offspring of two plants or animals of different species or varieties |
Trait | a characteristic passed from parent to offspring |
Gene | a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring. |
Alleles | one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome. |
Dominant | masks the effects of another allele; designated by an uppercase letter |
Recessive | effects are hidden by a dominant allele; designated by a lowercase letter |
Phenotype | physical trait |
Genotype | the genetic constitution of an individual organism. |
Homozygous | two same alleles for a gene |
Heterozygous | two different alleles for a gene |
Segregation | the separation of pairs of alleles at meiosis and their independent transmission via separate gametes. |
Independent Assortment | formation of random combinations of chromosomes in meiosis and of genes on different pairs of homologous chromosomes |