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urbpan
Oliver belongs to our favorite neighbors. Maggie is kind of obsessed with him, since the day that he rubbed up against her when she wasn't paying attention. I don't know how rare it is for a male cat to be a dilute tortoiseshell but I've never seen another.
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Date: 2014-05-13 12:09 am (UTC)A male cat, like males of other therian mammals, has only one X and one Y chromosome (XY). That X chromosome does not undergo X-inactivation, and coat color is determined by which allele is present on the X. Accordingly the cat's coat will be either entirely orange or non-orange. Very rarely (approximately 1 in 3,000[9]) a male tortoiseshell or calico is born. These animals typically have an extra X chromosome (XXY), a condition known in humans as Klinefelter syndrome, and undergo an inactivation process like that in females. As in humans, these cats often are sterile because of the imbalance in sex chromosomes. Some male calico or tortoiseshell cats may be chimeras, which result from the fusion in early development of two embryos with different color genotypes. Others are mosaics, in which the XXY condition arises after conception and the cat is a mixture of cells with different numbers of X chromosomes.
(assuming he's a tortie anyway. This shows a bunch of cat coat colors~ )
Also, what a cutie :D
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Date: 2014-05-13 12:29 am (UTC)no subject
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Date: 2014-05-13 10:05 am (UTC)no subject
Date: 2014-05-13 08:12 pm (UTC)no subject
Date: 2014-05-14 04:36 am (UTC)what is the plant?
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Date: 2014-05-14 09:59 am (UTC)