Yes it is indeed a dihybrid cross. I am studying this in college Bio I right now.
False, eye color is an example of a trait. Hair color, nose shape, and curly and not curly hair are all also traits. Anything that can possibly be unique and distinguishable is a trait, so yes, eye color is a trait.
Two fruit flies having the same red eye color is an example of two organisms that are homozygous for the eye color trait. If the fruit flies had different eye colors, then they would be heterozygous for the trait.
Originally, everyone had brown eyes. The brown was caused by melanin in the eye. Melanin in the eye protects the eye from the damaging effects of ultraviolet light.
Honey does not change your eye color. It just tastes good.
Queen Anne's eye color was a dark brown color.
genotype
skin color eye color lanuage hair color
Eye color.
False, eye color is an example of a trait. Hair color, nose shape, and curly and not curly hair are all also traits. Anything that can possibly be unique and distinguishable is a trait, so yes, eye color is a trait.
Two fruit flies having the same red eye color is an example of two organisms that are homozygous for the eye color trait. If the fruit flies had different eye colors, then they would be heterozygous for the trait.
There is no way to tell what color the eye sees better for everyone. Some people are colorblind for example.
There are various superstitions concerning eye color. For example, people with blue eyes are said to be full of energy.
traits
eye color, blood type, hair color
x chromsones/y chromosomes
Genotypes control different physical characteristics. For example, Hair Color, Eye Color, etc.
These eye colors are phenotypic expression of genotypes for eye color.