Heredity Flashcards
the passing of genetic traits from parent to offspring
Heredity
the trait observed in the first generation when parents that have different are bred
Dominant Trait
a trait that reappears in the second generation after disappearing in the first generation when parents with different traits are bred
Recessive Trait
one set of instruction for inherited traits
Gene
one of the alternative forms of a gene that governs a characteristic such as hair color
Allele
an organism’s appearance or other detectable characteristics
phenotype
The entire genetic makeup of an organism
Genotype
The likelihood that possible future events will occur in any given instant of the event
Probability
The process in cell division during which the number of chromosomes decrease has to have the original number by two divisions of a nucleus which results in the end product of sex cells
Meiosis
One of the pair of chromosomes that determines the sex of an individual
Sex chromosomes
A diagram that shows the occurrence of a genetic trait in several generations of family
Pedigree
A molecule that is presenting in a living cell and that contains the information that determines the traits that a living thing inherits and needs to live
DNA
A nucleic-acid chain is a substance that contains sugar of phosphate and a nitrogenous base
Nucleotide
A change in the nucleotide base sequence of a gene or DNA molecules
Mutations
A molecule that is present in all living cells and that plays a role in protein production
RNA
