Portola Valley is one of the forty wealthiest towns in the United States, with a median household income of $244,771 a year. Within the State of California, Portola Valley is ranked as the sixth wealthiest place. The zip code 94028, which encompasses the whole of Portola Valley, has the 9th most expensive housing prices within the country according to Forbes Magazine 2013.
The male gonads are the testes and the female gonads are the ovaries. These reproductive system organs are necessary for sexual reproduction as they are responsible for the production of male and female gametes.
Testosterone is the sex hormone produced in male gonads. In females, ovum develops in the ovary. Ovaries are paired organs in the lower abdominal cavity, and are responsible for the production of female sex hormone called estrogen. Gonads are the sites (or organs) where gametes are produced. â¢ Gonads of the male are called testes, whereas gametes of the male are called sperms. â¢ Gonads of the female are called ovaries, whereas gametes of the female are called ova. â¢ Gonads are the organs, whereas gametes are the haploid sex cells.