The 46 chromosomes in a human cell contains 3.2 billion pairs of DNA bases in sequence. On average, about how many pairs of bases are in each chromosome?

Afarmer has applied a pesticide to control a pest population that is affecting her crops. the pest population has reacted as shown below. which best describes the process that the pest population has experienced due to this environmental change? a genetic diversity b natural selection c natural resistance d genetic resistance

Does masterbation affect height growth or loss of growth hormone?

Agland that serves both the digestive and the endocrine systems is called