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.
Add a little luxury to your Yosemite vacation when you reserve your stay at Yosemite View Lodge in El Portal, California. Yosemite National Park is in the Sierra Nevada Mountains, approximately 185 miles east of San Francisco and 360 miles north of Los Angeles. The closest town is Mariposa on CA 140, which is 30 miles west of Yosemite Valley. Watch Out for Road Closures. From November through May, the Tioga Road (which crosses the Sierra Nevada between US 395 and CA 120), is usually closed due to heavy snow. For current California highway conditions, call 800.427.7623 when inside California or Nevada, or 916.445.7623 when elsewhere.