Genomic imprinting refers to the process where genes are only expressed female or male cells.

A mouse embryo has a loss-of-function mutation in a methylation enzyme, DNMT, that prevents cytosine methylation on DNA. What is the most likely outcome?

What role do histones play in epigenetics?

The OSR1 gene plays a role in both kidney and Müllerian duct formation. This is an example of what type of phenomenon?

A baby is born with a nonsense mutation in the CTRF gene. What sort of protein would the gene encode?

What is the genetic basis for Cystic Fibrosis?

A researcher has a mouse model of Huntington’s Disease, where sequencing has confirmed that the Huntingtin gene is affected, as occurred in humans with the condition. The researcher wants to try correcting the condition in the mouse model, using a targeted knock-in approach.

What would they in the DNA targeting vector?

True or False. A monogenic disorder can be due to a dominant negative mutation in a single gene.

The image below shows a cross section through the dorsal region of a early mouse embryo.