The autosomal recessive mshi mutation in BALB/cBy mice phenotypically causes reduced testis size and male sterility in homozygotes. The development of the mshi male generative organs, prior to three weeks of age, appears to lack observable...
Geographic variation in phenotypic traits among conspecific populations is well documented. Some studies have revealed that prey species may be induced to develop a defensive morphology when exposed to a specific predator. Interestingly, few...
Ahearn et al. (J. Heredity 93:210-213) have previously shown that the rat fuzzy and Charles River "hairless" mutations are defects in the same gene on rat Chromosome 1, and are likely orthologues of mouse frizzy (abbreviated fr) on mouse Chromosome...