Studied by 9 peoplepurpose of mitosis
tissue repair and growth
results of mitosis
two identical diploid (2n) cells
purpose of meiosis
production of haploid cells (gamete)
results of meiosis
gametes
tetrad
pairing of homologous chromosomes
synapsis
alignment of genes in a tetrad
crossing-over
genetic exchange between homologous chromosomes
independent assortment of chromosomes
random way in which homologous chromosomes (tetrads) line up on the metaphase plate (INCREASES VARIATION)
importance of crossing-over to sexual reproduction
increases variation
gametogenesis
creation of gametes
results of spermatogenesis
creation of sperm
results of oogenesis
an egg
cleavage furrow
structure that forms in animal cells during cytokinesis (how animal cells divide)
cell plate
new cell wall that forms between new nuclei in plant cells (how plant cells divide)
differences between plant and animal mitosis
Animals
Cleavage furrow
Centrioles
Aster - microtubules extend towards the cell periphery
Plants
Cell plate
somatic cell
body cell
germline cell
produce gametes
karyotype
picture of an individual chromosome
nondisjunction
chromosomes fail to separate
cause of Down Syndrome
trisomy
Note 
Flashcard (68)