« 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 70 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?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Mammals posses a number of physiological pathways related to stress. One example is the hypothalamic Mammals posses a number of physiological pathways related to stress. One example is the hypothalamic
Relationship between the number of CAG repeats in a gene and the age of onset of Huntington disease. Relationship between the number of CAG repeats in a gene and the age of onset of Huntington disease.
Number of lower molar cusps is one of the features used to distinguish sundadonts from sinodonts. Number of lower molar cusps is one of the features used to distinguish sundadonts from sinodonts.
Father’s Age and the Number of de novo Mutations Father’s Age and the Number of de novo Mutations
Depiction of the homunculus, a sperm containing a miniature adult Depiction of the homunculus, a sperm containing a miniature adult
What is the total resistance of the circuit in Figure 1? 150 What is the total resistance of the circuit in Figure 1? 150
Video: Splitting of Sugar, Oxidation/ Reduction & ATP Generation

For a complete list of videos, visit our video library