Ch. 5 science
Terms
undefined, object
copy deck
- heredity
- passing of traits from parents to offsprings
- dominate trait
- character observed when at least one dominant allele for a trait is inherited
- recessive trait
- character observed when 2 recessive alleles form a trait are inherited
- genes
- segments of dna that carry heredity instructions located on chromosomes
- alleles
- alternate forms of a gene that determines the same characters
- genotype
- the inherited combination of alleles
- phenotype
- inherited characters of an organism
- probability
- mathematical chance that an event will occur
- sex cell
- egg or sperm; a sex cell carries half the chromosomes found in other cells in the body
- homologous chromosomes
- chromosomes with matching information;each chromosomeis composed of 2 chromatids,thus a homologous pain is made of 4 chromatids
- meiosis
- cell division that produces sex cells
- sex chromosomes
- chromosomes with genes that determine the sex of offspring