Eye Color is a trait that involves a number of genes. To simplify our example, we can break down the traitinto two phenotypes: dark color and light color eyes. Dark coloration is considered dominant, or isexpressed in a heterozygous condition (when the alleles are different).Q: If you have one light eyed parent and one parent that is homozygous for dark eye color, what are thepotential eye colors of their offspring (young)? To start, what do the Parents’ alleles look like? What istheir Genotype? (Remember, you pick which letter you want to use)Light eye colored parent:Dark eye colored parent:One of the things Mendel designed was a way to provide information about how the genes are passed onfrom parent to offspring. He designed something called a Punnett Square. This square places the parents’alleles outside the box, then uses those alleles to fill in the squares.Let’s start with a reminder of what we know about the parents: Parent Phenotype(appearance) Genotype(alleles) 1 2
Eye Color is a trait that involves a number of genes. To simplify our example, we can break down the trait
into two
expressed in a heterozygous condition (when the alleles are different).
Q: If you have one light eyed parent and one parent that is homozygous for dark eye color, what are the
potential eye colors of their offspring (young)? To start, what do the Parents’ alleles look like? What is
their Genotype? (Remember, you pick which letter you want to use)
Light eye colored parent:
Dark eye colored parent:
One of the things Mendel designed was a way to provide information about how the genes are passed on
from parent to offspring. He designed something called a Punnett Square. This square places the parents’
alleles outside the box, then uses those alleles to fill in the squares.
Let’s start with a reminder of what we know about the parents:
| Parent | Phenotype(appearance) | Genotype(alleles) |
| 1 | ||
| 2 |
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