This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What is the chromosomal abnormality associated with Down syndrome? a) an extra Y chromosome b) a ... (Read 99 times)

Tazate

  • Hero Member
  • *****
  • Posts: 532
on: Jun 22, 2018
What is the chromosomal abnormality associated with Down syndrome?
 
  a) an extra Y chromosome
  b) a broken branch on the Y chromosome
  c) three 21 chromosomes instead of two
  d) 24 rather than 23 pairs of chromosomes

Question 2

If only one twin has a certain disease, the twin pair is said to be
 
  a) fraternal.
  b) penetrant.
  c) karyotypic.
  d) discordant.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

thall411

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jun 22, 2018
Answer to Question 1

c

Answer to Question 2

Sent you a PM please check your forum inbox. Thank you


Tazate

  • Member
  • Posts: 532
Reply 2 on: Jun 22, 2018
Great answer, keep it coming :)

miss.ashley

  • Member
  • Posts: 371
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Changes in chromosome number Changes in chromosome number
Chromosomal Abnormalities in Miscarriages Chromosomal Abnormalities in Miscarriages
X Chromosome Fragility X Chromosome Fragility
Chromosomal Translocations Associated with Human Cancers Chromosomal Translocations Associated with Human Cancers
Compartment Syndrome Relieved by Fasciotomy Compartment Syndrome Relieved by Fasciotomy
Video: Humerus Adduction Animation

For a complete list of videos, visit our video library