Heredity Flashcards
(16 cards)
The passing of genetic traits from a parent to offspring
Heredity
the trait observed in the first generation when parents that have different traits are bred
Dominant Trait
a trait that is apparent only when two recessive alleles for the same characteristics are inheirted
Recessive Trait
one set of instructions for an inheirted trait
Genes
one of the alternative forms of a gene that governs characteristic
Alleles
an organism’s appearance or other detecable characteristic
Phenotype
the entire genectic makeup of an organism
Genotype
the likelyhood that a possible future event will occur in any given instance of the event
Probability
chromosomes that have the same sequence of genes and the same structure
Homologous chromosomes
a process in cell division
meiosis
one of the pair chromosomes that determine the sex of an individual
Sex chromosomes
a diagram that shows the occurrence of a genetic trait in several generations of a family
pedigree
a molecule that is present in all living cells
Dna
in nucleic acid chain a subunit that consists of sugar, a prophate, and a nitrogenous base
nucletide
a molecule that is present in all living cells that plays a role in protein production
Rna
a change in the nucleotide base sequence of a gene or dna molecule
mutations