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Originally Posted by Lacy's Mom I was just reading an article from debbie jensen's site and it said that the stud determines the sex of the puppies and the mom determines the number. I always knew that the female determined the number, but I don't remember ever hearing that the male determined the sex. Since there is definitely a higher demand for females - have you ever took into consideration whether a stud produced more females than males? |
well it makes perfect sense. Males determine the sex because they carry the X and the Y chromosomes and females only carry the X. Females determine the size of the litter because the larger the female, usually the larger the litter. hence why yorkies have approx 3 puppies, and labs can have 10