Meiosis Vocabulary Review

Sex cells which may be eggs or sperm

• haploid

• diploid

• gametes

• somatic cells

A group of two homologous chromosomes formed by synapsis

• tetrad

• oocyte

• spermatid

• diploid

cell division which produces 2 diploid cells containing replicated chromosomes

• Meiosis I

• Meiosis II

• Mitosis I

• Mitosis II

the production of an egg and 3 polar bodies

• speratogenesis

• spermatid

• gameteogenesis

• oogenesis

one extra chromosome in any of the pairs

• monosomy

• trisomy 21

• aneuploidy

• trisomy

reproduction involving eggs and sperm and resulting in offspring different from the parent

• asexual reproduction

• binary fission

• sexual reproduction

• cloning

the pairing of homologous chromosomes

• tetrad

• autosomes

• sex chromosomes

• synapsis

a cell that contains both chromosomes of each homologous pair

• diploid

• haploid

• aneuploid

• nondisjunction

uncontrolled cell growth and reproduction frequently caused by excess mutations and "broken" cell cycle checkpoints

• aneuploidy

• cancer

• genetic recombination

• polar bodies

small cells produced during oogenesis when the cytoplasm divides unevenly, that eventually disintegrate

• spermatid

• oocyte

• polar bodies

• somatic cells