« previous next »

Author Question: The recessive allele that causes phenylketonuria (PKU) is harmful, except when a (Read 486 times)

Garrulous

  • Hero Member
  • *****
  • Posts: 686
on: Jul 9, 2013
The recessive allele that causes phenylketonuria (PKU) is harmful, except when an infant's diet lacks the amino acid phenylalanine. What maintains the presence of this harmful allele in a population's gene pool?
A) heterozygote advantage
B) stabilizing selection
C) diploidy
D) balancing selection


Hawke

  • Hero Member
  • *****
  • Posts: 679
Reply #1 on: Jul 10, 2013
Hello

C is the answer.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Enzyme block in phenylketonuria (PKU). Enzyme block in phenylketonuria (PKU).
Autosomal Recessive Inheritance Autosomal Recessive Inheritance
The frequency distribution of the allele in Southeast Asia and the Pacific Islands The frequency distribution of the allele in Southeast Asia and the Pacific Islands
A Model of Directional Selection against a Recessive Lethal Allele A Model of Directional Selection against a Recessive Lethal Allele
Genetic drift of an allele frequency Genetic drift of an allele frequency
X-linked recessive inheritance of red-green color blindness in a family X-linked recessive inheritance of red-green color blindness in a family
Video: Transferring genes into plants Animation

For a complete list of videos, visit our video library