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

Author Question: Patsy and Terry are fraternal twins. This type of twinning results from __________. A) a zygote ... (Read 20 times)

swpotter12

  • Hero Member
  • *****
  • Posts: 527
Patsy and Terry are fraternal twins. This type of twinning results from __________.
 
  A) a zygote that duplicates and separates into two clusters of cells
  B) the fertilization of one ovum by two Y-bearing sperm
  C) the release and fertilization of two ova
  D) the fertilization of one ovum by two X-bearing sperm

Question 2

In females, the twenty-third pair of chromosomes is called __________.
 
  A) an autosome
  B) dizygotic
  C) XX
  D) XY



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jayson

  • Sr. Member
  • ****
  • Posts: 350
Answer to Question 1

Answer: C

Answer to Question 2

Answer: C




swpotter12

  • Member
  • Posts: 527
Reply 2 on: Jun 22, 2018
YES! Correct, THANKS for helping me on my review


amandanbreshears

  • Member
  • Posts: 320
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

For a complete list of videos, visit our video library