« previous next »

Author Question: Most genes have many more than two alleles. However, which of the following is a (Read 816 times)

Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
on: Jun 19, 2013
Most genes have many more than two alleles. However, which of the following is also true?
A) At least one allele for a gene always produces a dominant phenotype.
B) Most of the alleles will never be found in a live-born organism.
C) All of the alleles but one will produce harmful effects if homozygous.
D) There may still be only two phenotypes for the trait.
E) More than two alleles in a genotype is considered lethal.


TI

  • Sr. Member
  • ****
  • Posts: 434
Reply #1 on: Jun 20, 2013
Hi there,

The answer should be D.

Good luck on your AP biology! :D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
Reply #2 on: Aug 13, 2013
Thanks so much, you were right on.


« previous next »
 

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Negative control of a repressible set of genes: function of the trp repressor and corepressor in reg Negative control of a repressible set of genes: function of the trp repressor and corepressor in reg
Relatively simple changes in Hox genes control limb formation in tetrapods. Relatively simple changes in Hox genes control limb formation in tetrapods.
Meiosis Accounts for Independent Assortment of Alleles p1 Meiosis Accounts for Independent Assortment of Alleles p1
Some Proto-oncogenes and Tumor-Suppressor Genes Some Proto-oncogenes and Tumor-Suppressor Genes
Locus control and developmental expression of human globin–complex genes Locus control and developmental expression of human globin–complex genes
Comparison of loss- and gain-of-function alleles Comparison of loss- and gain-of-function alleles
Video: ADH and the arterioles, kidneys, sweat glands and the Atrial natriuretic peptide (ANP)

For a complete list of videos, visit our video library