Author Question: The heritability of nearsightedness in monozygotic twins is almost 20 percent. 40 percent. 70 ... (Read 71 times)

mydiamond

  • Hero Member
  • *****
  • Posts: 804
The heritability of nearsightedness in monozygotic twins is almost
 
  20 percent.
  40 percent.
  70 percent.
  90 percent.

Question 2

Which vitamin deficiency causes vision problems in children?
 
  vitamin A
  vitamin B
  vitamin C
  vitamin D



wfdfwc23

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

90 percent.

Answer to Question 2

vitamin A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

For a complete list of videos, visit our video library