Males, on the other hand, are heterogametic, with one X chromosome and one Y chromosome. Other reptiles governed by GSD have a system, similar to one found in birds, with Z and W sex chromosomes. In this caseâwhich governs all snake speciesâmales are the homogametic sex (ZZ) and females are the heterogametic sex (ZW).
Yosemite Packing List. Your trip with Four Season Guides is sure to be one you never forget, but a big part of having lots of fun is being well prepared! Even though we provide the camping equipment essentials, there are a few things we want to be sure you donât forget! Hiking boots â well broken in!! Mid-weight boots with ankle support are best.
A Housekeeping Camp lodging unit. Located in the Yosemite Valley, Housekeeping Camp is one of the cheapest lodging options for visitors to Yosemite National Park. The camp is open from April through October and is one of the most popular places to stay in the valley. Reservations typically fill up on the first day they become available.