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

Author Question: Trisomy 21 a. only occurs to infants of women who get pregnant at 45 years or older. b. is ... (Read 164 times)

vicotolentino

  • Hero Member
  • *****
  • Posts: 552
on: Jul 10, 2018
Trisomy 21
 
  a. only occurs to infants of women who get pregnant at 45 years or older.
  b. is caused by nondisjunction.
  c. is caused by having three X chromosomes.
  d. is usually lethal.
  e. occurs only among non-human primates.

Question 2

Which is NOT true about recombination?
 
  a. It is the exchange of genetic material between paired chromosomes
  b. It is also called crossing over
  c. It occurs during mitosis
  d. Its pairing ensures each new daughter cell receives only one of each pair.
  e. It occurs in gamete formation.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kristenb95

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 10, 2018
Answer to Question 1

B

Answer to Question 2

C


vicotolentino

  • Hero Member
  • *****
  • Posts: 552
Reply #2 on: Jul 10, 2018
TY


kristenb95

  • Sr. Member
  • ****
  • Posts: 318
Reply #3 on: Jul 10, 2018
Happy to Help


« previous next »
 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar
Both men and women gain weight in young adulthood and middle adulthood, losing in the late 50s, but Both men and women gain weight in young adulthood and middle adulthood, losing in the late 50s, but
In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it. In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it.
In addition to common schools, thousands of female seminaries were built between 1820 and 1850, many In addition to common schools, thousands of female seminaries were built between 1820 and 1850, many
Shifts between Warm and Cold Periods during the Last 3 Million Years Shifts between Warm and Cold Periods during the Last 3 Million Years
Why Men’s Shirt Buttons Are On The Right While Women’s On The Left Why Men’s Shirt Buttons Are On The Right While Women’s On The Left
Video: Facilitated Diffusion - Glucose transport

For a complete list of videos, visit our video library