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Reproduction Exam 4 > Fetal Programming > Flashcards

Flashcards in Fetal Programming Deck (6):
1

What is epigenetics?

Heritable changes in gene function that occur without a change in the DNA sequence

2

What are the two mechanisms of action for epigenetics?

1. Alteration of background chromatin proteins which act as scaffolding for DNA during transcription
2. The degree of methylation of the nucleotide bases of the DNA

3

(Hypo/hyper)methylation will cause suppressed genes to be expressed

Hypomethylation

4

DNA methylation prevents ___

transcription

5

What is the primary cause of IUGR in livestock species?

Maternal undernutrition

6

(T/F) The size of the uterine environment can have more of an impact than the genetics

True