In the human pedigree shown here, the daughter indicated by the black circle (II-1) has a form of deafness determined by a recessive allele. What is the probability that the phenotypically normal son (II 3) is heterozygous for the gene?

#Question id: 4766

#Unit 8. Inheritance Biology

In soybeans, resistance to sudden death syndrome (SDS) is inherited as a dominant condition. In some cases, individuals that are not resistant to SDS (but whose parents were) can pass the trait on to their progeny. This is an example of which of the following?

#Question id: 10405

#Unit 6. System Physiology – Plant

#Question id: 771

#Unit 1. Molecules and their Interaction Relevant to Biology

MicroRNAs are:

P. synthesized as long pri-miRNAs;

Q. transcribed by RNA polymerase II;

R. synthesized from pre-microRNAs by an RNase III enzyme Drosha in the cytoplasm;

S. synthesized from pri-miRNAs by an enzyme Dicer in the nucleus.

#Question id: 7254

#Unit 5. Developmental Biology

Following statements regarding to the micromeres specification and regulatory input  in sea urchin embryo. Which of the following statement is correct?

#Question id: 24563

#Unit 4. Cell Communication and Cell Signaling

Which of the following is NOT true for classical pathway of  complement activation?