3.3 Meiosis Flashcards
chromosomes that have the same sequence of genes and the same structure
homologous chromosomes
a process in cell division during which the number of chromosomes decreases to half the original number by two divisions of the nucleus, which results in the production of sex cells
meiosis
only needs 1 parent. the structures inside the cell are copied and then the parent cell divides making 2 copies.
asexual reproduction
in Eukaryota cells, a process of cell division that forms two new nuclei, each of which has the same number of chromosomes
mitosis
one of the pair of chromosomes that determine the sex of an individual
sex chromosomes
ex. color blindness
sex-linked disorders
a diagram that shows the occurrence of a genetic trait in several generations of a family
pedigree
causes serious lung problems. people with this inherited 2 recessive allels
cystic fibrosis
the human practice of breeding animals or plants that have certain desired characteristics
selective breeding