Chapter 3 Book 2 Flashcards
(12 cards)
Heredity
the passing of genetic traits from parent to offspring
Dominant Trait
the trait observed in the first generation
Recessive Trait
the trait observed in the second generation
Gene
one set of instructions for an inhereited
Allele
one of the alternative forms of a gene
Phenotype
An organism’s appearance or other detectable charcteristic
Genotype
the entire genetic makeup of an organism
Probablilty
the likehood that a possible future event will occur
Homologous chromosome
Chromosomes that have the same sequence of genes
meiosis
a cell division that cuts in half
sex chromosomes
the one of the pair of chromosomes that determine the sex
pedigree
a diagram that shows the occurrence of a genetic trait