This topic contains a solution. Click here to go to the answer

Author Question: Huntington disease and cystic fibrosis are examples of single-gene defects. Individuals who have ... (Read 352 times)

roselinechinyere27m

  • Hero Member
  • *****
  • Posts: 557
Huntington disease and cystic fibrosis are examples of single-gene defects. Individuals who have disorders due to single-gene defects:
 
  a. have one or more complete chromosomes with irregular structures.
  b. usually have an error in both genes in the allele pair.
  c. usually have an error in one of their dominant genes.
  d. have two recessive genes and no dominant gene.

Question 2

Some physical disabilities are the result of genetic abnormalities. An example is Down syndrome, in which:
 
  a. Children have a defective dominant gene
  b. Children have a defective recessive gene
  c. Children have an extra chromosome
  d. Children are missing a chromosome



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

apple

  • Sr. Member
  • ****
  • Posts: 352
Answer to Question 1

C

Answer to Question 2

C




roselinechinyere27m

  • Member
  • Posts: 557
Reply 2 on: Jun 20, 2018
:D TYSM


scottmt

  • Member
  • Posts: 322
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

For a complete list of videos, visit our video library