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Q: What happens when different alleles of the trait are present?
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When the alleles present for a trait are the same. the genes are called?

When the alleles present for a trait are the same, it is called Homozygous


What happens when 2 different allele s for the same trait are present?

if the two alleles are the same in the same box in the punnett square then that trait is expressed. when there is a double in a punnett square then that gene is always expressed


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.


Organisms that has two different alleles for a trait?

Having two different alleles for a trait is called heterozygous.


What does it mean if there is two different alleles for a trait?

The trait could show up in two different forms. Alleles are individual units that determine what trait will be expressed in an offspring. Alleles exist for most traits such as hair color or wing size. Having two alleles simply means that the trait can be expressed in different variation. One trait can have several different alleles.


Can several alleles affect a single trait?

When there are multiple alleles present for a trait a variety of phenotypical outcomes is possible. These traits can be dominant, recessive, co-dominant, or incompletely dominant.


The different forms of a trait that a gene may have are called?

Alleles


What are different versions of a gene for the same trait called?

alleles


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


What has two identical alleles for a trait?

A heterozygote is an organism with two different alleles for a trait.


What are the different forms a gene has for a trait?

alleles


What are different genes for the same trait?

Alleles