| A | B |
|---|
| gamete | a haploid sex cell |
| zygote | results from the fertilization of two gametes |
| diploid | containing a full set of chromosomes |
| haploid | containing half a set of chromosomes |
| chromosomes | structures that are made up of DNA and contain genes |
| meiosis | a type of sexual reproduction that cuts the number of chromosomes in one-half |
| crossing over | the exchange of genetic material that occurs during prophase I |
| independent assortment | the random assortment of chromosomes |
| life cycle | all the events in the growth and development of an organism |
| sperm | the haploid human gamete |
| ovum | the haploid female gamete |
