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

Author Question: What must occur for a recessive trait to be expressed in a child? a. Both parents must carry the ... (Read 83 times)

cabate

  • Hero Member
  • *****
  • Posts: 537
What must occur for a recessive trait to be expressed in a child?
 
  a. Both parents must carry the recessive trait.
  b. One parent must carry the recessive trait.
  c. Neither parent can carry the recessive trait.
  d. A sibling must carry the recessive trait.

Question 2

During a prenatal class, a participant asks when the most critical period of fetal development occurs. Which of the following is the most appropriate response?
 
  a. The embryonic period, from the second to eighth week after conception.
  b. Immediately following implantation.
  c. During the zygotic phase after fertilization.
  d. From twenty to thirty weeks of gestation, when the organs are formed.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

abro1885

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

ANS: A
Each parent must carry a recessive trait for there to be a chance of the offspring to display the trait.

Answer to Question 2

ANS: A
The embryonic period of development is when the basic organ structures are formed. During this time, teratogenic agents have the most damaging effects on the developing embryo.




cabate

  • Member
  • Posts: 537
Reply 2 on: Jun 28, 2018
Wow, this really help


kilada

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

For a complete list of videos, visit our video library