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 26 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?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

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.

For a complete list of videos, visit our video library