This topic contains a solution. Click here to go to the answer

Author Question: In order to produce fraternal twins you must have two a. X chromosomes. b. sperm. c. Y ... (Read 16 times)

tfester

  • Hero Member
  • *****
  • Posts: 534
In order to produce fraternal twins you must have two
 
  a. X chromosomes.
  b. sperm.
  c. Y chromosomes.
  d. recessive genes.

Question 2

Fraternal twin siblings share
 
  a. precisely 50 percent of their genes.
  b. on average about 50 percent of their genes.
  c. on average about 25 percent of their genes.
  d. nearly 100 percent of their genes.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

SAUXC

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

b

Answer to Question 2

b




SAUXC

  • Sr. Member
  • ****
  • Posts: 318

 

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

For a complete list of videos, visit our video library