Gamete (sex) cells Mutations that occur in somatic (body) cells usually result in killing that body cell only. Mutations that occur in gamete (sex) cells means that every cell of the developing fetus/baby will have that mutation.-Gamete mutations usually do affect the individual with some genetic disorder.Gamete mutations can be passed on to the next generation. There are two types of mutations that can occur in gamete cells- 1. Gene Mutations 2.
The Life Cycle of the Polar Bear. The life cycle of the polar bear is complicated. One-third of the female population of polar bears are unavailable every breeding season because female polar bears care for their young until they are two-and-a-half years old Remarkably breeding occurs months before gestation begins.Polar bears are a marvel of adaptation to their Arctic environment.ne-third of the female population of polar bears are unavailable every breeding season because female polar bears care for their young until they are two-and-a-half years old Remarkably breeding occurs months before gestation begins.
Polar bears usually give birth to two cubs per litter. Cubs at Birth At birth, polar bear cubs weigh about 454 to 680 g (16-24 oz.) and are about 30 cm (12 in.) long. Males are born slightly larger than females. Polar bear cubs are born small and helpless, with their eyes closed. The fur is very fine at birth, making the cubs look hairless. Care of Young. Nursing. Female polar bears have four mammary glands. Mothers nurse their cubs in a sitting position, or lying down on their side or back. During their first few weeks of life, polar bear cubs nurse most of the time and stay close to their mother to keep warm.