When they are born.
No, eye color does not determine color blindness. Color blindness is a genetic condition caused by abnormalities in the cones of the retina that detect color, and it can affect people of any eye color.
A karyotype is chart that shows all the chormosomes paired up and in order. A karyotype cannot determine eye color but it can determine what colors that specific person carries and can pass down to the next generation. BUT to determine what the next generation eye color will look like, it is not possible yet, but you can do a punnett square and that will show you the possible choice(s).
The alleles for eye color result different combiantions of different eye-color shades from the offspring's parent.
There is no sure way to determine what color a mother dog's puppies will be based on the color of her coat. The color of the father dog's coat can not be a way to determine the color of a puppy's fur either.
Genes are what determine the color of a persons eyes. However, the concentration of the melanin in the iris of the eye helps determine the pigmentation of the color.
It is difficult to use a Punnett square to determine eye color because eye color is influenced by multiple genes interacting in a complex manner. Additionally, environmental factors can also play a role in determining eye color. As a result, the simple Mendelian inheritance patterns that Punnett squares rely on may not accurately predict the outcome for eye color.
It is not possible to determine Otzi's eye color with certainty as eye color does not preserve in archaeological remains. However, genetic analysis of his DNA suggests that he likely had brown eyes.
Um well that depends on your dog. My dog a Pekingese eyes color always remained the same.
Genetics determine what color your Yorkshire Terrier paws are. Genetics also help determine their eye color and the color of their fur.
A change in eye color can indicate a health issue such as inflammation, infection, or a medical condition like cataracts. It is recommended to have your dog examined by a veterinarian to determine the underlying cause of the color change and to provide appropriate treatment if needed.
The color of a puppy's bowel movements is typically dark brown. Occasionally a puppy's bowel will be a green or black color.
color, ear shape, eye shape, tail shape, head shape, body shape, how long thier fur is, swirls in thier fur, type of dog, eye color