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 57 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
:D TYSM


Dominic

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

For a complete list of videos, visit our video library