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How nice you are.
Yeah I was shocked too when I found out.
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∙ 12y ago
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A widows peak is a humans trait that is controlled by?
one single gene
A genetic trait expressed in a person who has only one copy of the gene associated with the trait?
Dominant
What does it mean that an organism is homozygous recessive for a trait?
That organism has two recessive alleles for that trait, one from each parent. It will display the recessive trait.
What is an XO genotype?
it means it has one gene from the dominant trait and one gene from the recessive trait
What is one difference between single gene trait and a polygenic trait?
Polygenic traits result in more variation because so many more alleles are involved in the process of reproduction.
Is a non mendelian trait controlled by one gene?
A non Mendelian trait can be controlled by one gene. When a trait is controlled by one gene it results in genetic disorders. Examples of disorders due to single gene inheritance - Huntington disease, Fragile-X syndrome.
Which will give a trait the fewest phenotype?
if its all controlled by one gene
What is a trait controlled by one gene?
How nice you are. Yeah I was shocked too when I found out.
What is a trait is called when it is controlled by more than one gene?
Polygenic Traits
A widows peak is a humans trait that is controlled by?
one single gene
How is the gene involved in sickle cell anemia different from the genes for pea plants' traits that Mendel studied?
One gene controlled one trait within Mendel's study, but the sickle cell anemia effects more than one trait.
What is a trait that is expressed even if only one gene for that form of the trait is inherited?
It is a dominant trait. You only need one gene of a dominant trait for that trait to be expressed. You need two copies of the recessive trait in order for the trait to be expressed.
Can a single gene control a single trait?
It was once believed that one gene controls one trait, so it is possible. Currently, the belief is that one gene can interact with other genes to control a trait, and that one gene can control more than one trait.
Will an offsping show a recessive trait if only one of its parents has the gene for that trait?
No
How is the gene involved in sickle cell anemia different from the gene for pea plant traits that Mendel studied?
One gene controlled one trait within Mendel's study, but the sickle cell anemia effects more than one trait.
What are non-mendelian trait?
Non-Mendelian traits are:A trait with no clearly dominant alleleA trait with four allelesA trait controlled by many genes
How do you know a homozygous trait from a heterozygous trait?
A homozygous trait is controlled by only one kind of allele, while a heterozygous trait is controlled by multiple allele types.
