Book 8.1 Flashcards
Egg and Sperm are _______.
Gametes
The copying and transmitting of genes from one generation to the next creates
Genetic variation
The process of ______ reduces the number of chromosomes carried in gametes by one-half.
Meiosis
the uncoordinated “lining up” if chromosome pairs before the first division of meiosis.
random alignment
Gametes combine without regard to the alleles they carry
random fertilization
Each body cell has the same genes, but cells differ from each other because different genes are _______ in each cell type.
expressed
Different versions of the same gene are called ______ and these different versions are produced by ________.
alleles
mutation
A child carries one copy of each ______ from each of his parents.
gene
Each egg produced by a woman differs genetically from her other eggs because of the _______ _______ of genes into gametes during meiosis.
Independent assortment
That any sperm can theoretically fertilize any egg when two individuals pair is referred to as ______ fertilization, which creates diversity in offspring.
Random