Sentences with phrase «black fur genes»
The X chromosome carries both the orange and black fur genes and since females have two X chromosomes, they can have the two genes at the same time.
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The gene for fur coloration resides on the X chromosome, while each of the two X chromosomes codes for a different color: black or orange.
Geneticists have pinpointed the gene variant that imparts this black fur and determined that it comes from domestic dogs that interbred with their wily cousins thousands of years ago.
Not only do black - furred dogs and wolves have the same gene variant, but the DNA surrounding the K locus is also quite similar — and quite different from that of gray wolves — suggesting that the variant was introduced when wolves interbred with domestic dogs.
Boxers do not normally carry the genes for black fur.
Neither of the genes are considered dominant and for this, it is said that the orange and black fur coats are randomly disseminated.