Author Question: Light horses were once widely used to pull such heavy loads as wagons, plows, and other agricultural ... (Read 98 times)

jace

  • Hero Member
  • *****
  • Posts: 541
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
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
 

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

For a complete list of videos, visit our video library