Genetic characteristics of spermatogenesis in the turkish hamster (mesocricetus brandti) subjected to reduced temperature or light

Abstract 1. 1.|A genetic study of Turkish hamster ( Mesocricetus brandti ) spermatogenesis exposed to reduced temperature and/or light was made of pachytene pairing, crossing-over and disjunction during testicular regression and recrudescence. 2. 2.|Abnormalities were found in all three mechanisms in all experimental groups particularly in cold exposed testes during recrudescence.