« previous next »

Author Question: A single egg contributes __________ to the developing zygote. a. XX b. X c. Y d. ... (Read 47 times)

bobbysung

  • Hero Member
  • *****
  • Posts: 519
on: Jun 22, 2018
A single egg contributes __________ to the developing zygote.
 
  a. XX
  b. X
  c. Y
  d. XY

Question 2

The hormone ____________ is involved in the maternal bond to her pups.
 
  a. progesterone
  b. estradiol
  c. prolactin
  d. oxytocin


Natalie4ever

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Zygote is diploid after fertilization Zygote is diploid after fertilization
Working Memory Binds Visual Features into a Single Chunk Working Memory Binds Visual Features into a Single Chunk
These photos show a rat burying a test object from which it has just received a single mild shock. These photos show a rat burying a test object from which it has just received a single mild shock.
Indoor air pollution in the developing world arises from fuelwood burning Indoor air pollution in the developing world arises from fuelwood burning
Vitamin C contributes to healthy, glowing skin by facilitating the production of collagen Vitamin C contributes to healthy, glowing skin by facilitating the production of collagen
Testcross of a single character Testcross of a single character
Video: Calvin cycle (The light-independent reactions )

For a complete list of videos, visit our video library