- male turning defective
The inability of a male to properly turn during mating behavior. In C. elegans, males typically turn via a sharp ventral arch of the tail, as he approaches either the hermaphrodite head or tail.
- cryophilic
Animals tend to track and stay within low temperature environments.
- cold resistant
Animals exhibit increased ability to survive at low temperatures compared to controls.
- hypoxia response variant
Animals exhibit variations in response to hypoxia, low oxygen conditions, compared to controls.
- precise vulval location variant
Any variation in the mating process that includes the male positioning his tail precisely over the vulva so that he may insert his spicules and ejaculate compared to control. In C. elegans precise vulva location (coordinating movement and tail positioning) requires the post cloacal sensillium and the spicules.
- hypoxia resistant
Animals fail to respond to low amounts of oxygen that elicit a response in control animals.
- hypoxia hypersensitive
Animals respond to hypoxic (low oxygen levels) stress after a shorter exposure time compared to control.
- vulva location variant
Any variation in the male's ability to locate his partner's vulva when backing along the ventral side of the partner during mating compared to control. In C. elegans the male stops at the vulva, coordinates his movements to the hermaphrodite's, and positions his tail precisely over the vulva so that he may insert his spicules and ejaculate.
- dwelling variant
Animals exhibit variations in the low-speed/high turning movement that restricts them to a confined region compared to control.