« previous next »

Author Question: What is the total number of chromosomes contained in a mature sperm or ovum? a. 22 b. 23 c. 44 ... (Read 78 times)

tingc95

  • Hero Member
  • *****
  • Posts: 556
on: Jun 28, 2018
What is the total number of chromosomes contained in a mature sperm or ovum?
 
  a. 22
  b. 23
  c. 44
  d. 46

Question 2

A pregnant woman states, My husband hopes I will give him a boy because we have three girls. What will the nurse explain to this woman?
 
  a. The sex chromosome of the fertilized ovum determines the gender of the child.
  b. When the sperm and ovum are united, there is a 75 chance the child will be a girl.
  c. When the pH of the female reproductive tract is acidic, the child will be a girl.
  d. If a sperm carrying a Y chromosome fertilizes an ovum, then a boy is produced.


Eazy416

  • Sr. Member
  • ****
  • Posts: 360
Reply #1 on: Jun 28, 2018
Answer to Question 1

ANS: B
Gametes (sex chromosomes) contain 23 chromosomes.

Answer to Question 2

ANS: D
When a Y-bearing sperm fertilizes an ovum, a male child is produced.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Electron-micrograph of human sperm. Electron-micrograph of human sperm.
Three possible phylogenies for the australopithecines with Au. anamnesis as the stem ancestor and re Three possible phylogenies for the australopithecines with Au. anamnesis as the stem ancestor and re
Effects of Living in Total Darkness on Monoaminergic Systems Effects of Living in Total Darkness on Monoaminergic Systems
Mataphase chromosomes Mataphase chromosomes
The potential involvement of colchicine in doubling the chromosome number The potential involvement of colchicine in doubling the chromosome number
Hfr chromosomes Hfr chromosomes
Video: Role of ATP in muscle movement

For a complete list of videos, visit our video library