Follow the expression of a maternally imprinted gene through three generations.
ID: 48762 • Letter: F
Question
Follow the expression of a maternally imprinted gene through three generations. Indicate whether the copy of the gene from the male in generation one is expressed in the germ cells and somatic cells of individuals of the individuals listed.
Individuals and cells
Expression of the allele derived from Male I-2
(yes or no)
I-2 (male) germ cells
II-2 (daughter) somatic cells
II-2 (daughter) germ cells
II-3 (son) somatic cells
II-3 (son) germ cells
III-1 (grandson) somatic cells
III-1 (grandson) germ cells
III-2 (granddaughter) somatic cells
III-2 (granddaughter) germ cells
Individuals and cells
Expression of the allele derived from Male I-2
(yes or no)
I-2 (male) germ cells
II-2 (daughter) somatic cells
II-2 (daughter) germ cells
II-3 (son) somatic cells
II-3 (son) germ cells
III-1 (grandson) somatic cells
III-1 (grandson) germ cells
III-2 (granddaughter) somatic cells
III-2 (granddaughter) germ cells
Explanation / Answer
Individuals and cells
Expression of the allele derived from Male I-2
(yes or no)
I-2 (male) germ cells
No
II-2 (daughter) somatic cells
Yes
II-2 (daughter) germ cells
No
II-3 (son) somatic cells
Yes
II-3 (son) germ cells
Yes
III-1 (grandson) somatic cells
Yes
III-1 (grandson) germ cells
yes
III-2 (granddaughter) somatic cells
No
III-2 (granddaughter) germ cells
No
Individuals and cells
Expression of the allele derived from Male I-2
(yes or no)
I-2 (male) germ cells
No
II-2 (daughter) somatic cells
Yes
II-2 (daughter) germ cells
No
II-3 (son) somatic cells
Yes
II-3 (son) germ cells
Yes
III-1 (grandson) somatic cells
Yes
III-1 (grandson) germ cells
yes
III-2 (granddaughter) somatic cells
No
III-2 (granddaughter) germ cells
No