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The human lens focuses light on the photoreceptor cells by?
Refraction. Due to the curved lens in the eye, and the difference of transparent medium from air, Snell's law applies. The shape of the lens re-directs light to focus on the retina. Muscles around the eye alter the shape to maintain focus.
What are the functions of the jelly liquid like fluid of the liquid found inside the eye?
it helps keep your eyes shape
What does it mean when you say that light is refracted as it enters the eye?
When light reaches the lens of the eye, it bends. This change in the direction of the light is called refraction, and it is what makes the images one sees.
Can you consider eyes to be part of the nervous system?
Yes, the eyes can be seen as part of the nervous system. This is because they are closely connected to the brain. The back part of the eye, called the retina, has special cells that take in light and turn it into signals.
What is the difference between a dominant and recessive allele?
Dominant is an allele that can be expressed in a heterozygous individual (ie. Bb) or homozygous dominant (ie. BB). Recessive on other hand are traits that will only be expressed in a homozygous recessive (ie. bb) condition. Under normal circumstances, dominant alleles are the ones expressed in the phenotype, while the recessive allele is not. For example (an extremely simplified example) an heterozygous individual for eye color. (genotype Bb), has one dominant allele, 'B', and one recessive allele, 'b'. Given that B is for brown eyes, and b is for blue eyes, that individual's phenotype would be expressed as brown eyes (and be recessive for blue eyes). Organisms receive one allele for each trait from each parent, thus you have two alleles for each trait.
Two fruit flies having the same red eye color is an example of two organisms that are heterozygous or homozygous?
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.
An organism that has an allele for brown eyes and an allele for blue eyes you?
are likely heterozygous for eye color. This means you have two different alleles for eye color - one for brown eyes and one for blue eyes. The dominant allele for brown eyes may result in you having brown eyes, but you still carry the blue eye allele.
How do you use monohybrid in a sentence?
Heterozygous means having different alleles on corresponding sites on the two chromosomes. Here are some sentences.We studied heterozygous traits in class today.Her genes are heterozygous for eye color.Many genes are heterozygous, and the dominant trait is expressed.
What has the author Sandra Gordon written?
Sandra Gordon has written: 'Action!' 'The aging eye' -- subject(s): Aging, Eye, Geriatric ophthalmology, Vision disorders in old age
What is the name of the eye shape where the eye's shape is similar to a half circle?
The eye shape you are referring to is called almond-shaped eyes.
What has the author Sandra Frazier Byrne written?
Sandra Frazier Byrne has written: 'A-Scan Axial Eye Length Measurements'
What is a heterozygous genotype for a dihybrid?
AaBb usually, but can also be AAbb or aaBB depending on what they ask you is heterozygous. To be heterozygous for one trait, it's AaBb. To have a heterozygous genotype, unless specified, it can be any of the above.
Which part of the eye supports the shape of the eye?
The sclera of the eye acts like an outer skin to maintain the spherical shape of the eye.
Is pinkeye a bacteria?
yes it is a bacteria that attacks the eye. Dr. Sandra
What does grotrsque mean?
It can either mean that something has an odd or unusual shape, or that something is displeasing to the eye. And the correct spelling of the word is grotesque.
What movie did Sandra Bullock wished for a man with one blue eye and one green eye?
Practical Magic.
A structure of the eyes which shape can be modified?
I am not 100% sure, but I think I heard something about people changing the shape of the eye. Through surgery to modify the shape of the eye. More spefically, the slit of the eye to give the eye more of an oval shape.
