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What genotype must the person have who possessed the recessive phenotypes?
The genotype is homozygous recessive or the recessive trait is on the X chromosome and has no corresponding allele on the Y chromosome.
A genotype consisting of two identical alleles of a gene for a particle trait?
A genotype consisting of two identical alleles of a gene for a particular trait is called homozygous. This means that both alleles are the same, which can either be dominant or recessive. Homozygous genotypes can result in the expression of a specific trait depending on the alleles involved.
What is the genotype any time a recessive trait shows up?
The genotype for a recessive trait to show up is typically homozygous recessive (aa), meaning both alleles are the same and both are recessive.
How do you identify a homozygous ressive genotype?
A homozygous recessive genotype can be identified when an individual has two copies of the recessive allele for a particular gene. This means that both alleles for that gene are the same and are both the recessive form. This genotype will typically show the recessive trait associated with that allele.
How can you determine the genotype plant that displays the dominant form of a trait?
Do a testcross with a homozygous recessive plant.
What genotype must the person have who possessed the recessive phenotypes?
The genotype is homozygous recessive or the recessive trait is on the X chromosome and has no corresponding allele on the Y chromosome.
A homozygous genotype where both alleles are recessive are called?
A homozygous genotype with both alleles being recessive is called a homozygous recessive genotype. This means that both copies of the gene are the same recessive allele, resulting in the expression of the recessive trait.
What is the differences between homozygous dominant and homozygous recessive and heterozygous?
Homozygous dominant individuals have two copies of the dominant allele for a trait, homozygous recessive individuals have two copies of the recessive allele, and heterozygous individuals have one copy of each allele. Homozygous dominant and heterozygous individuals will express the dominant trait, while homozygous recessive individuals will express the recessive trait.
What phenotype is produce by each of the following genotypes?
Genotype: AA - The phenotype is homozygous dominant, exhibiting the dominant trait. Genotype: Aa - The phenotype is heterozygous, exhibiting the dominant trait. Genotype: aa - The phenotype is homozygous recessive, exhibiting the recessive trait.
What is a testcross in biology?
a cross between an organism whose genotype for a certain trait is unknown and an organism that is homozygous recessive for that trait so the unknown genotype can be determined from that of the offspring
A genotype consisting of two identical alleles of a gene for a particle trait?
A genotype consisting of two identical alleles of a gene for a particular trait is called homozygous. This means that both alleles are the same, which can either be dominant or recessive. Homozygous genotypes can result in the expression of a specific trait depending on the alleles involved.
What is the genotype any time a recessive trait shows up?
The genotype for a recessive trait to show up is typically homozygous recessive (aa), meaning both alleles are the same and both are recessive.
How do you identify a homozygous ressive genotype?
A homozygous recessive genotype can be identified when an individual has two copies of the recessive allele for a particular gene. This means that both alleles for that gene are the same and are both the recessive form. This genotype will typically show the recessive trait associated with that allele.
How can you determine the genotype of a plant that displays the dominant of a trait?
Do a testcross with a homozygous recessive plant.
How can you determine the genotype of a plant that dominant form of a trait?
Do a testcross with a homozygous recessive plant.
Explain why the homozygous recessive would always be used in a test cross?
The homozygous recessive individual is used in a test cross to determine the genotype of an individual with a dominant phenotype but unknown genotype. When crossed with a homozygous recessive individual, if any offspring display the recessive trait, it indicates that the unknown individual is heterozygous for that trait.
How can you determine the genotype plant that displays the dominant form of a trait?
Do a testcross with a homozygous recessive plant.
