« previous next »
« previous next »
 

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

An example of X-linked inheritance An example of X-linked inheritance
An example of X-linked inheritance An example of X-linked inheritance
For linked genes, recombinant frequencies are less than 50 percent For linked genes, recombinant frequencies are less than 50 percent
Pedigrees and Sex Linkage Part A - Identifying X-linked inheritance in pedigrees Pedigrees and Sex Linkage Part A - Identifying X-linked inheritance in pedigrees
X-linked recessive inheritance of red-green color blindness in a family X-linked recessive inheritance of red-green color blindness in a family
Morgan’s analysis of genetic linkage of X-linked genes for eye color Morgan’s analysis of genetic linkage of X-linked genes for eye color
Video: Homologous chromosomes during prophase I - Animation

For a complete list of videos, visit our video library