This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The genAnswer: d. the father's sperm.etic sex of a fetus is determined by a. the hormones ... (Read 41 times)

mcmcdaniel

  • Hero Member
  • *****
  • Posts: 550
on: Jun 22, 2018
The genAnswer: d. the father's sperm.etic sex of a fetus is determined by
 
  a. the hormones produced by the pituitary during fetal development.
  b. a single gene on the X chromosome.
  c. the gonads.
  d. the father's sperm.
  e. the phase of the menstrual cycle during which fertilization occurs.

Question 2

In the flip-flop circuit that controls sleep and arousal, the ___________ neurons are the stabilizing force, pushing the circuit towards arousal.
 
  a. orexinergic
  b. serotonergic
  c. noradrenergic
  d. cholinergic


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kmb352

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: d. the father's sperm.

Answer to Question 2

Answer: A


mcmcdaniel

  • Member
  • Posts: 550
Reply 2 on: Jun 22, 2018
Wow, this really help

juliaf

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Sperm Whale tail in Kaikoura, New Zealand Sperm Whale tail in Kaikoura, New Zealand
Electron-micrograph of human sperm. Electron-micrograph of human sperm.
Ectopic pregnancies. (a) An ectopic pregnancy may occur in any of the locations shown. Interstitial Ectopic pregnancies. (a) An ectopic pregnancy may occur in any of the locations shown. Interstitial
An old concept of genetic transmission—a homunculus in a sperm cell. An old concept of genetic transmission—a homunculus in a sperm cell.
Hormones of the Gastrointestinal Mucosa Hormones of the Gastrointestinal Mucosa
Hormonal control over male and female reproductive hormones. Hormonal control over male and female reproductive hormones.
Video: Buffers definition and the role of buffer in the body

For a complete list of videos, visit our video library