Indicate to which branch of the immune system the following statements apply, using H for the humoral branch and CM for the cell-mediated branch. Which cells involve in both response?

#Question id: 5720

#Unit 8. Inheritance Biology

Which two of the following are the CORRECT statements ?

P. Nondisjunction in the parental meiosis is not essential to produce diploid organisms

Q. Nondisjunction in the parental meiosis is essential to produce aneuploid organisms

R. Nondisjunction in the parental meiosis is essential to produce hexaploid organism

S. Nondisjunction in the parental meiosis is essential to produce tetraploid organisms

#Question id: 3586

#Unit 8. Inheritance Biology

In watermelons, bitter fruit (B) is dominant over sweet fruit (b), and yellow spots (S) are dominant over no spots (s). The genes for these two characteristics assort independently. A homozygous plant that has bitter fruit and yellow spots is crossed with a homozygous plant that has sweet fruit and no spots. If an F1 plant is backcrossed with the bitter, yellow spotted parent, what phenotypes and proportions are expected in the offspring?

#Question id: 18008

#Unit 7. System Physiology – Animal

#Question id: 5319

#Unit 11. Evolution and Behavior

When gene duplication occurs to its ultimate extent by doubling all genes in a genome, which of the following results has occurred?

#Question id: 1064

#Unit 4. Cell Communication and Cell Signaling

An infection in which the virus is continually present in the body is referred to as