How is a Chimeric Mouse Characterized

Question

How is a chimeric mouse characterized?
A) A combination of XX and XY cells
B) An intersex phenotype
C) A mouse with abnormal body morphology as a result of gene mutations
D) A mouse with a homozygous recessive mutation in a gene
E) A mouse with a mixture of its own and cultured ES cells

Accepted Answer

A chimeric mouse is created by injecting cultured embryonic stem cells into a developing blastocyst. This results in a mouse with a mixture of its own cells and the injected cells, which can lead to different coat colors or other visible markers.