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homozygous-2 genes that are the same ex. YY or yy
heterozygous-2 genes that are different ex. Yy
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∙ 14y agodomonint and ressisive
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Do alleles have to be the same trait for example Tt or can they have two traits combined for example Tb?
Alleles are the same trait
Two brothers inherit different sets of alleles from their parents What effect will this have?
They will have different traits.
What will a population with different alleles have?
A population with different alleles will have traits
What are traits inherited by multiple alleles?
Dominant Traits.
When a blend of both alleles are shown in the phenotype of an organism this is an example of?
A heterozygote expresses the traits of both alleles in the phenotypic traits. These traits affect the physical appearance of an organism.
What are alleles and what are the two forms?
They are traits that are passed on from parent to offspring. There are also two types of alleles; Dominant and recessive.
How are multiple alleles different from polygenic traits?
Multiple alleles are genes that have more than two alleles. An example of this would be blood types, with ABO as three separate alleles.Polygenic traits are traits whose phenotype rely on alleles from different genes. An example of this would be hair type, which relies on genes from different parts of chromosomes.The main difference is that multiple alleles are genes with 3 or more alleles; polygenic traits do not necessarily have more alleles, but they rely on on multiple genes.
Blood types in humans are an example of traits controlled by?
Multiple alleles
Two ways multiple alleles and polygenic traits differ?
Multiple alleles are "the existence of more than two alleles (versions of the gene) for a genetic traits. Polygenic traits are "[characteristics of organisms that are] influenced by several genes." So multiple alleles are more than two alleles for one trait, and polygenic traits are one trait that is influenced by multiple genes. This information came from my biology textbook, "Biology: Principles and Explorations" by Holt, Rinehart, and Winston.
How are recessive and genes related?
If you are talking about traits, dominant traits and recessive traits both have alleles. Dominant traits are alleles that cover up the expression of other alleles. One dominant allele with one recessive allele makes a dominant trait. Two dominant alleles together also make a dominant trate. Recessive traits are alleles that are only expressed when there is no dominant trait to cover them up. Two recessive alleles make a recessive trait. Traits can be passed over to the next generation. Two alleles together make a genotype, which is the inherited combination of alleles. Alleles: different versions of the same gene. Heredity: determined by genes. Genes: piece of DNA that shows the cell how to make a protein it needs.
How are dominant and recessive genes?
If you are talking about traits, dominant traits and recessive traits both have alleles. Dominant traits are alleles that cover up the expression of other alleles. One dominant allele with one recessive allele makes a dominant trait. Two dominant alleles together also make a dominant trate. Recessive traits are alleles that are only expressed when there is no dominant trait to cover them up. Two recessive alleles make a recessive trait. Traits can be passed over to the next generation. Two alleles together make a genotype, which is the inherited combination of alleles. Alleles: different versions of the same gene. Heredity: determined by genes. Genes: piece of DNA that shows the cell how to make a protein it needs.
What three ways are human traits controlled?
Single genes with two alleles, single genes with multiple alleles, and many genes that act together
Do alleles have to be the same trait for example Tt or can they have two traits combined for example Tb?
Alleles are the same trait
Polygenic traits are controlled by no more than three alleles?
No, they are controlled by only two or more traits
How are dominant and recessive genes related?
Dominate them. Recessive alleles do not show in your phenotype unless you have two of the same recessive allele. But if you inherit one dominant and one recessive, it is the dominant that always shows in your phenotype.
Two brothers inherit different sets of alleles from their parents What effect will this have?
They will have different traits.
What will a population with different alleles have?
A population with different alleles will have traits
