« previous next »

Author Question: Light horses were once widely used to pull such heavy loads as wagons, plows, and other agricultural ... (Read 88 times)

jace

  • Hero Member
  • *****
  • Posts: 541
on: Jul 21, 2018
Light horses were once widely used to pull such heavy loads as wagons, plows, and other agricultural implements.
 
  Indicate whether the statement is true or false

Question 2

Why do chromosomes always come in pairs in higher-order animals?
 
  What will be an ideal response?


stillxalice

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 21, 2018
Answer to Question 1

F

Answer to Question 2

In higher-order animals, chromosomes are always brought together in pairs and matched. The chromosomes separate as the cell divides, and each cell receives one of each chromosome from each pair. The new sperm cells contain only half the chromosomes of the original cell. When the sperm unites with the egg at conception, the original number of chromosomes is restored, because the sperm furnishes half the chromosomes and the egg furnishes the other half.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

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.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Technique of Light Palpation Technique of Light Palpation
Myosin has two heavy chains (in two shades of pink), Myosin has two heavy chains (in two shades of pink),
Using a bright light makes seeing where the smoke is coming from easier. In this case, smoke was ... Using a bright light makes seeing where the smoke is coming from easier. In this case, smoke was ...
Normal and abnormal corneal light reflection test Normal and abnormal corneal light reflection test
Light micrograph of cells in a strand of Chladophora Light micrograph of cells in a strand of Chladophora
Energy flow in the light-dependent reactions of photosynthesis Energy flow in the light-dependent reactions of photosynthesis
Video: Sperm Formation

For a complete list of videos, visit our video library