« previous next »

Author Question: Most genes have many more than two alleles. However, which of the following is a (Read 807 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?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Developmental regulation of human globin genes Developmental regulation of human globin genes
Genes expression due to position Genes expression due to position
An endoscopic view of the colon of someone who carries the normal alleles for the APC gene An endoscopic view of the colon of someone who carries the normal alleles for the APC gene
The three possible sequences of the white, yellow, and echinus genes The three possible sequences of the white, yellow, and echinus genes
Mutations in human mitochondrial genes leading to disease syndromes Mutations in human mitochondrial genes leading to disease syndromes
The relationship between recombination frequency and physical distance between genes The relationship between recombination frequency and physical distance between genes
Video: Acids and bases - definition

For a complete list of videos, visit our video library