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
one of the pair of chromosomes that determine the sex of an individual
sex chromosomne
a diagram that shows the occurrence of a genetic trait in several generations of a family
pedigree
when only one parent cell is needed
asexual reproduction
the process of cell division that forms two new nuclei, each of which have the same number of chromosomes
mitosis
what the parent cells are called
sex cells
f
sex-linked disorders
causes when serious lung problems
cysitic fibrosis
organisms with desirable characteristics are being mated
selective breeding
when each chromosome consists of two identical copies
chromatids