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 76 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?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Vehicle transmission occurs through contamination of inanimate objects, such as milk. Vehicle transmission occurs through contamination of inanimate objects, such as milk.
Crying Frequency in the Early Months In their first months of life, infants often cry for no appare Crying Frequency in the Early Months In their first months of life, infants often cry for no appare
Older adults may need special assistance with medications. Older adults may need special assistance with medications.
Promoting Adherence in the Older Adult Patient Promoting Adherence in the Older Adult Patient
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).
Mood Changes in Men and Women Mood Changes in Men and Women
Video: Proteins Defined, Hierarchy & Composition of Cells

For a complete list of videos, visit our video library