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Phenotypes Associated with This Genotype
Genotype
MGI:7336017
Allelic
Composition
Del(2Rr263-Rr264)1Maros/Del(2Rr263-Rr264)1Maros
Genetic
Background
involves: C57BL/6 * CBA
Find Mice Using the International Mouse Strain Resource (IMSR)
No mouse lines available in IMSR.
See publication links below for author information.
phenotype observed in females
phenotype observed in males
N normal phenotype
behavior/neurological
• mice cannot walk; mice use undulating or wriggling motion

embryo
N
• viable

integument

limbs/digits/tail
• dorsal hair absent from autopods
• biventral distal limb elements with dorsoventral symmetrical distal phalanges and talus bones
• foot pads present on dorsal side of autopods (in addition to ventral)
• biventral distal limb elements with dorsoventral symmetrical distal phalanges, talus bones and sesamoid bones
• loss of dorsalization during embryonic development: biventral distal limb elements with dorsoventral symmetrical (duplicated) distal phalanges
• loss of dorsalization during embryonic development: biventral distal limb elements with dorsoventral symmetrical talus bones
• loss of dorsalization during embryonic development: biventral distal skeletal elements with dorsoventral symmetrical (duplicated) sesamoid bones
• loss of dorsalization during embryonic development: biventral distal limb elements with dorsoventral symmetrical distal phalanges, talus bones and sesamoid bones
• absent patella

nervous system
N
• normal cerebellum morphology

renal/urinary system
N
• normal kidney morphology

skeleton
• biventral distal limb elements with dorsoventral symmetrical distal phalanges, talus bones and sesamoid bones
• loss of dorsalization during embryonic development: biventral distal limb elements with dorsoventral symmetrical (duplicated) distal phalanges
• loss of dorsalization during embryonic development: biventral distal limb elements with dorsoventral symmetrical talus bones
• loss of dorsalization during embryonic development: biventral distal skeletal elements with dorsoventral symmetrical (duplicated) sesamoid bones

vision/eye
N
• normal eye morphology


Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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last database update
01/20/2026
MGI 6.24
The Jackson Laboratory