Genetics

Question 1

Fragile X is characterized by ____ repeats and ________

Answer 1

CGG, hypermethylation of FMR1 gene on long arm of X chromosome

Question 2

In meiosis ____ homologous chromosomes are separated and meiosis ____ sister chromatids are separated

Answer 2

1: homologous
2: sister chromatids

Question 3

failure in meiosis 1, see __ bands and look at which parent gave the extra chromosome. In meiosis 2 failure, see ___ bands but see which parent has the thicker band

Answer 3

meiosis 1: 3,

meiosis 2: 2

Question 4

which blot looks for DNA fragments

Answer 4

Southern

Question 5

which blot looks for DNA-bound protein

Answer 5

southwestern

Question 6

which blot looks for mRNA or gene expression

Answer 6

northern blot

Question 7

which blot looks for protein

Answer 7

western