| A | B |
|---|
| zygote | the cell that forms as a result of fertilization |
| sexual reproduction | a new organism is produced when cells from two parents combine |
| mutation | a permanent change in a cell's DNA |
| replication | DNA makes a copy of itself |
| mitosis | formation of two new nuclei with identical chromosomes |
| fertilization | fusion of an egg and a sperm |
| mRNA | a form of RNA that attaches to the ribosomes |
| asexual reproduction | new organisms are produced from one parent |
| RNA | nucleic acid that carries information for making proteins from the nucleus |
| egg | female gamete |
| clone | new individual that is identical to parent organism |
| diploid | a cell that has 2 of each kind of chromosomes |
| chromosomes | nuclear structures containing DNA |
| sperm | male gametes |
| gametes | the sex cells that join to form a zygote |
| gene | segment of DNA that controls traits |
| telophase | the final step of mitosis |
| tRNA | form of RNA that transports amino acids to the ribosomes |
| haploid | a cell that has one chromosome of each pair |
| DNA | deoxyribonucleic acid |
| centromere | the place where a double stranded chromosome is held together |
| meiosis | nuclear division that forms sex cells |
