Which of the following is NOT a major obstacle in cloning dinosaurs?

In forward genetics, mutant phenotypes are studied to identify the underlying genes responsible for those phenotypes.

From what organism was the Taq polymerase originally isolated?

What is the primary function of topoisomerase during DNA replication?

In Caenorhabditis elegans, the establishment of cell polarity during early embryonic development is critical for proper cell division and differentiation. Which of the following statements correctly describes the role of PAR proteins in this process?

Amy is planning to knockdown gene “X” in a specific type of brain cells in Drosophila melanogaster. Which of the following technique is the more appropriate for achieving gene knockdown.

Both Drosophila and humans use the XX/XY system for sex determination, but there is a key mechanistic difference. Please describe and list 2 sex chromosome makeups that give different sex phenotypes between flies and humans.

List 4 different non-coding RNAs and describe their roles in gene regulation.

Alex is an 11 month old infant. He is constantly placing any item he touches in his mouth. According to Freud, which psychosexual stage of development is Alex most likely navigating through? 

Sigmund Freud’s theory that emphasizes unconscious thought processes and childhood experiences is called ___.