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

Author Question: The most common of the extra-chromosome conditions, caused by an extra chromosome at the 21st pair, ... (Read 113 times)

student77

  • Hero Member
  • *****
  • Posts: 567
on: Jun 22, 2018
The most common of the extra-chromosome conditions, caused by an extra chromosome at the 21st pair, is ______.
 
  Fill in the blank with correct word

Question 2

A(n) ______ abnormality occurs when a zygote's cells have more or fewer chromosomes than the usual number.
 
  Fill in the blank with correct word


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

allisonblackmore

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jun 22, 2018
Answer to Question 1

Down syndrome (or trisomy-21)

Answer to Question 2

age of the mother


student77

  • Member
  • Posts: 567
Reply 2 on: Jun 22, 2018
Wow, this really help

AngeliqueG

  • Member
  • Posts: 343
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

A common organization of sequences for the promoter of a eukaryotic structural gene A common organization of sequences for the promoter of a eukaryotic structural gene
Chromosome structure. Chromosome structure.
Some common eye disorders. (D) Conjunctival hemorrhage of the right eye of this patient with ... Some common eye disorders. (D) Conjunctival hemorrhage of the right eye of this patient with ...
Common touch sensations. Common touch sensations.
Fermentations use a common strategy to regenerate oxidized NAD+ Fermentations use a common strategy to regenerate oxidized NAD+
DNA-sequence alignment of contigs on human chromosome 2 DNA-sequence alignment of contigs on human chromosome 2
Video: Cellular defenses (natural killer cells, phagocyte types & process of phagocytosis)

For a complete list of videos, visit our video library