In humans, albinism (unpigmented skin, hair, and eyes) is due to an enzymatic deficiency, and it is an autosomal recessive trait. Suppose that in a small country of one million people (“Generation 1”), there are 500 aa albinos and 9000 Aa heterozygous carriers. What is the probability that a child will be albino if: Both parents are members of Generation 2, and one parent is albino and the other is non-albino.

TLS Online TPP Program

#Question id: 1098

#Unit 4. Cell Communication and Cell Signaling

Which of the following is the most plausible explanation for why an animal cell would be unable to reduce the Ca2+ concentration in its cytosol compared with the extracellular fluid?

TLS Online TPP Program

#Question id: 1549

#Unit 4. Cell Communication and Cell Signaling

the decision to translate  IgM versus IgD  heavy chains is made at the level of?

TLS Online TPP Program

#Question id: 5227

#Unit 11. Evolution and Behavior

One of the characteristics of retrotransposons is that

TLS Online TPP Program

#Question id: 14084

#Unit 1. Molecules and their Interaction Relevant to Biology

In DNA helix the angle at which the two sugars protrude from the base pairs (i.e., the angle between the glycosidic bonds) are 

A. 120

B. 36 

C. 240

D. 20

Choose the correct option?

TLS Online TPP Program

#Question id: 645

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is the correct combination of marker enzymes used to identify different organelles during subcellular fractionation of eukaryotic tissue?