MEIOSIS AND MITOSIS QUIZ

25 terms by PAllen10

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Mitosis

2 genetically identical diploid cells

Meiosis

4 genetically different haploid cells

Fertilization

process in sexual reproduction in which male and female reproductive cells join to form a new cell

chromosome

a threadlike body in the cell nucleus that carries the genes in a linear order

chromatid

one of two identical sister parts of a duplicated chromosome

centromere

the area where the chromatids of a chromosome are attached

homologous

chromosomes that each have a corresponging chromosome from the opposite-sex parent.

gamete

specialized cell involved in sexual reproduction

sperm

male gamete (haploid, N)

egg

female gemete (diploid, 2N)

haploid (N)

a cell that contains only a single set of chromosomes and therefore only a single set of genes.

diploid (2N)

a cell that contains 2 copies of each chromosome

spindle

the structure that pulls apart the chromosomes during mitosis

centriole

anchors that pull chromosomes apart

tetrad

a cell containing 4 chromatids that formed during meiosis

interphase

growth , replicating of dna, and preparation for mitosis

prophase

1st part of mitosis, chromosomes condense in the middle

metaphase

2nd, chromosomes line up along the middle (x's)

anaphase

3rd, in amazing synchronization, chromosomes pull apart

telophase

4th and final stage of mitosis, this is when the chromosomes gather at the poles

cytokinesis

animal cell: cells pull apart. Plane cell: new cell wall grows

cell plate

like cartilage for human bones, it is the start of a new cell wall for plants.

crossing-over

when homologous chromosomes swap dna while in tetrads

gene linkage

the farther apart genes are on chromosome, the more likely they are to be seperated by a crossover in meiosis

gene map

use recombination rates to MAKE gene map

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