This is the content of the pop-over!
Cart Cart Login Login Join Join

HESI A and P, Bio, Chem Practice Tests & Test Prep by Exam Edge


(4.4) Based on 25 Reviews

HESI Practice Test Features

Everything you need to pass your certification exam!


The more you know about the HESI A and P, Bio, Chem exam the better prepared you will be! Our practice tests are designed to help you master both the subject matter and the art of test-taking to be sure you are fully prepared for your exam.

Here are a few things to think about:

  • What is the HESI A and P, Bio, Chem certification exam?
  • Who is Responsible for the HESI exam?
  • Am I eligibility for the HESI A and P, Bio, Chem Exam?
  • What is the best way to ensure your success on the first try?
  • The benefits of using Exam Edge to pass your HESI A and P, Bio, Chem exam.

Testimonial Image ExamEdge's online practice test is that they mimicked the actual exam. I walked into the exam feeling confident I knew the material and walked out knowing my time studying with Exam Edge was well worth the effort."

Olivia R., Washington

Select Quantity

Buy one or save big with a practice test bundle for the HESI A and P, Bio, Chem exam.

 
# of Practice Tests
Regular Price
Your Savings
Your Price
credit card images All transactions secured and encrypted
All prices are in US dollars

Get Instant Online Access Now!


HESI Anat and Phys, Biology, Chemistry Sample Test

1 of 5

Which of the following refers to a single gene that is responsible for a variety of traits? For example, the sickle-cell trait results in a number of problems in humans, including irregularly-shaped red blood cells, and a poor overall physical development, such as those associated with related heart, lung, kidney, and eye problems. 

Correct Answer:
pleiotropy.
the correct answer to the question is "pleiotropy." pleiotropy refers to the phenomenon where a single gene influences multiple phenotypic traits that may seem unrelated. this is distinct from genetic linkage or other genetic phenomena because it specifically involves one gene affecting various aspects of an organism's physiology or morphology, often in complex ways.

to expand on the concept, pleiotropy can have significant implications for an organism's health and development. as mentioned in the question, sickle-cell disease is a classic example of pleiotropy. the mutation in the hemoglobin gene that causes sickle-cell disease not only leads to sickle-shaped red blood cells, but it also results in a cascade of complications including anemia, episodes of pain, and potential damage to organs due to reduced blood flow and oxygen delivery to tissues.

another example of pleiotropy is albinism, where mutations in genes that affect melanin production can lead to a lack of pigment in the skin, hair, and eyes, but also to vision problems and increased susceptibility to sunburn and skin cancers. this illustrates how a single genetic alteration can affect diverse aspects of an organism's biology.

the understanding of pleiotropy is crucial in genetics and medicine, as it helps explain how certain diseases and conditions can have wide-ranging effects on an individual's health. recognizing that a single gene can influence multiple traits or conditions can also guide more effective treatment strategies and lead to a better understanding of the genetic basis of complex traits and diseases.
Return To Main Product Page Back To General Exam Info

HESI Anat and Phys, Biology, Chemistry - Additional Information

At ExamEdge.com, we focus on making our clients' career dreams come true by offering world-class practice tests designed to cover the same topics and content areas tested on the actual Health Education Systems, Inc HESI Anat and Phys, Biology, Chemistry Certification Exam. Our comprehensive HESI Anat and Phys, Biology, Chemistry practice tests are designed to mimic the actual exam. You will gain an understanding of the types of questions and information you will encounter when you take your Health Education Systems, Inc HESI Anat and Phys, Biology, Chemistry Certification Exam. Our HESI Anat and Phys, Biology, Chemistry Practice Tests allow you to review your answers and identify areas of improvement so you will be fully prepared for the upcoming exam and walk out of the test feeling confident in your results.

Because our practice tests are web-based, there is no software to install and no need to wait for a shipment to arrive to start studying. Your HESI Anat and Phys, Biology, Chemistry practice tests are available to you anytime from anywhere on any device, allowing you to study when it works best for you. There are 20 practice tests available, each with 100 questions and detailed explanations to help you study. Every exam is designed to cover all of the aspects of the HESI A and P, Bio, Chem exam, ensuring you have the knowledge you need to be successful!