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 176 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?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Increased risk of trisomy with maternal age. Increased risk of trisomy with maternal age.
Women have the role of kinkeeper in almost all cultures. This may cause them to react to stress by ... Women have the role of kinkeeper in almost all cultures. This may cause them to react to stress by ...
The human eye, a product of 600 million years of evolution (Lamb, Collin, & Pugh, 2007). The human eye, a product of 600 million years of evolution (Lamb, Collin, & Pugh, 2007).
Agriculture in 10,000 years ago Agriculture in 10,000 years ago
Pregnant women Pregnant women
Sample hypnograms of children, young adults, and older adults Sample hypnograms of children, young adults, and older adults
Video: Digestive System Animation

For a complete list of videos, visit our video library