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No - some traits are polygenetic (such as for skin color, eye color, hair color, etc.) and will have multiple alleles.

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Q: How many alleles does a zygote have for each trait?
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Related questions

How many alleles does a gamete have for each trait and is it a haploid or diploid?

For each trait, a gamete has one allele. It is haploid.


How many alleles does parent pass to an offspring for each trait?

5


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 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 many alleles for a trait are there?

2


How many alleles for one trait can an individual have?

Genotypes consist of two alleles for every trait. You inherit one allele from one parent, and another from the other parent.


How many alleles for one trait are normally found in the genotype of an organism?

An organism has two alleles for one trait. If the two alleles are the same, the individual is homozygous for that trait, and if they are different, the individual is heterozygous.


How many alleles are usually in the gene pool for each trait?

Each gene has a dominate and recessive allele, so there are two types of alleles in each gene. The dominate allele is stronger than the recessive allele unless there are two recessive alleles.


How many alleles are for a mendelian trait?

2


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.


The number of possible phenotypes for a given trait depends on how many what control the trait?

Alleles


For a givin trait how many alleles does a normal gamete have?

1000000