hereity Flashcards
the transmission of genetic characters from parents
Heredity
a trait that will appear in the offspring if one of the parents contribute it
Dominant trait
A trait that must be contributated by both parents in order to appear in the offspring
recessive trait
the basic physical unit of heredity
genes
any of several forms in a gene
Alleles
The apperance of an organism resulting from the genotype and the enviorment
phenotype
the genetic makeup of a organism or group of organisms with reference to a single trait
genotype
a strong likelyhood or chance of something happening
probability
Part of a process of gamete Formation,consisting of chromosome conjugation by two cell divisions
Meiosis
Chromosome that determines the sex of a person
Sex chromosome
line of decent
Pedigree
the main component of chromosomes and it the material that transfers genetic characteristics in all life forms
DNA
any group of molecules that, when link together forms the building blocks of DNA
Nucleotide
The changes in chromosomes or genes that cause the offspring to have characteristics different from their parents
Mutations
any of a class of single-stranded molecules transcibed from DNA
RNA
