meiosis and genetics Flashcards
when does crossing over occur
prophase 1
when does meiosis produce
gamates
how many chromosomes are in a human gamate
23
when do cells replicate their data
s phase
what is DNA
the genetic code of organisms
how many genes does each chromosome have
1500
what are homologous chromosomes
set of chromosomes that are similar to one another
what happens in interphase one
a cell carries out a set of metabolic functions
what are haploid cells
describes the cell that has a single cell of chromosomes
what are the stages of meiosis
prophase, anaphase, telophase, metaphase
what is genetic variation
the difference of DNA In people
what is mutation
a change in the DNA sequence
what is meiosis
special type of cell division of germ cells in sexually reproducing organisms
sister chromatids
two halves of duplicated chromosome
diploid
cell that contains two sets of homologous chromosome.