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Because of homologous pairs of chromosomes. One chromosome from the puppies mother and one from the father make up the 78 chromosomes of dogs. One allele on the mom chromosome and one on the dad chromosome, even if there are more than two alleles for the trait only two will be represented in the genome.
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What will always hide a recessive trait?
A dominant trait will always hide a recessive trait in an individual's phenotype because the dominant allele is expressed over the recessive allele in the presence of both alleles.
What oranism has two different alleles for a trait?
An organism that possesses two different alleles for a trait is said to be heterozygous for that trait.
When a pair of chromosomes contains different alleles for a trait that trait is called a what when a trait has two identical alleles it is called?
2 different alelles - heterozygous Same alelles - homozygous
The different forms of a trait that a gene may have are called?
Alleles
What has two identical alleles for a trait?
Homozygous individuals have two identical alleles for a specific trait. This means they can be either homozygous dominant (two dominant alleles) or homozygous recessive (two recessive alleles). Homozygosity results in the expression of either the dominant or recessive trait.
What are alleles for a particular trait that are always expressed are said to be?
Dominant alleles. Dominant alleles will always be expressed in the phenotype, even if only one copy is present in the genotype.
How many alleles for one trait can an individual have?
An individual can have a maximum of two alleles for one trait, as they inherit one allele from each parent. These alleles can be the same (homozygous) or different (heterozygous) for a specific trait.
Does a single pair of alleles always determine an individual trait?
No, often many other alleles will also determine the same trait. For example, many alleles put together will determine a person's skin color.
A trait controlled by four alleles is said to have?
A trait controlled by four alleles is said to have multiple alleles.
What will always hide a recessive trait?
A dominant trait will always hide a recessive trait in an individual's phenotype because the dominant allele is expressed over the recessive allele in the presence of both alleles.
Where the alleles for a given trait are inherit from?
The alleles for a given trait are inherited from an individual's parents.
Where are alleles for a given trait inherited from?
The alleles for a given trait are inherited from an individual's parents.
How many alleles does a body cell have for each trait?
Every sex cell has one allele for each trait. after meiosis, pairs of chromosomes separate and alleles for each trait also separate into different sex cells.
What oranism has two different alleles for a trait?
An organism that possesses two different alleles for a trait is said to be heterozygous for that trait.
When a pair of chromosomes contains different alleles for a trait that trait is called a what when a trait has two identical alleles it is called?
2 different alelles - heterozygous Same alelles - homozygous
Are the alleles present for a trait the same?
No, alleles for a trait can be the same (homozygous) or different (heterozygous) in an individual.
What is the likelihood of inheriting a genetic trait with more than two alleles, and how does the presence of multiple alleles impact the expression of the trait?
The likelihood of inheriting a genetic trait with more than two alleles is rare. When a trait has multiple alleles, it can result in a wider range of possible expressions of that trait. This can lead to more variation in the phenotype among individuals who inherit different combinations of alleles for that trait.
