Chapter 4 Flashcards
heredity
The passing of genetic traits from parent to offspring
Dominant trait
The trait observed in the first generation when parents that have different traits are bred
Recessive triat
a trait that reappears in the second generation after disappearing in the first generation when parent with parents traits are bred.
gene
one set of instructions for an inherited trait
allele
one of the traits is recessive just doesn
phenotype
an organisms appearance or other deleted characters
genotype
the entire genetic makeup off an organisms also the right of genes for one more specific traits
probability
the likelihood that possible future event will occur when one is given instance of the evenet
homologous chromosomes
chromosomes that are given the same type of genes
meiosis
a process in the cell with the number of chromosome and the process is given
sex chromosome
one of the pair of chromosomes that determine the sex in indivisial
pedigree
a diagram that shows the occurrence of a genetic trait in several genes family