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meiosis vocab
| Term | Definition |
|---|---|
| gamete | reproductive cells (egg and sperm) |
| haploid | 23 chromosomes which contains only 1 of the paired homologous chromosomes |
| oogenesis | production of egg |
| ovum/ova | the egg from the female |
| sperm | the gamete from the male |
| zygote | fertilized egg |
| tetrad | is a group of 4 chromotids |
| synapsis | each chromosome lines up with its homologous pair and becomes attached to the centromere |
| fertilization | restores the diploid number 2n and union of egg and sperm |
| disjunction | separation of homologous chromosomes |
| gametogenesis | production of gametes |
| homologous chromosomes | chromosomes that have the same length, appearance, and copies of genes |
| crossing over | exchange of chromosomes between homologous chromosomes during meiosis |
| gonads | reproductive organs (testes and ovaries) |
| spermatogenesis | production of sperm |
| polar bodies | haploid cells produced during meiosis in the female |
| meiosis | process of cell division in sexual reproduction |
| variation | difference |
| nondisjunction | when the homologous chromosomes do not separate |
| gene | specific region of dna that codes for a particular protein |