Answer:
During the early 19th century, it became widely accepted that all living organisms are composed of cells arising only from the growth and division of other cells. The improvement of the microscope then led to an era during which many biologists made intensive observations of the microscopic structure of cells. By 1885 a substantial amount of indirect evidence indicated that chromosomes—dark-staining threads in the cell nucleus—carried the information for cell heredity. It was later shown that chromosomes are about half DNA and half protein by weight.
Explanation:
<em>A. Y-linked.</em>
Explanation:
Males have one Y chromosome and one X chromosome, while females have two X chromosomes.
If the father is affected by a genetic disorder, that means it will be passed down to only sons in the family, not females, since females do not have a Y chromosome.
This would mean the genetic disorder is Y-linked, and only on the Y chromosome, which is specific to males.
Polar bear, bengal tiger, jumping spider, sharks, etc i hope this helps :)
Answer:
Explanation:
surface tension decreases when temperature increases because cohesive forces decrease with an increase of molecular thermal activity. The influence of the surrounding environment is due to the adhesive action liquid molecules have at the interface.
Answer:
35 km. 1=5. 7x5. 35...............