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When will a trait controlled by a recessive allele be shown?
only when two recessive alleles are present
What is a condition that is shown only when two recessive alleles are present?
Recessive trait...
Is recessive allele the one which is hidden whenever the dominant is present?
Yes, a recessive allele is only expressed when an individual has two copies of that allele (homozygous recessive) or when the dominant allele is absent. It is "hidden" in the presence of a dominant allele.
What is an Dominant allele?
A dominant allele is a gene that holds a certain characteristic that is superior to a recessive allele. The dominant allele ALWAYS has its trait shown in the body of the recipient, except when both alleles in a gene are recessive.
How did mendel find out whether the recessive allele were still present in the f1 plants?
he breeded the f1 plants with a recessive homozygous plant and if the offspring (f2) showed the recessive allele, then the recessive allele is still present in the f1 plant
How are dominant and recessive alleles are represented in a punnet square?
Dominant alleles are shown by a capital letter and recessive alleles are lowercase letters.
How are Dominant and recessive alleles are represented in Punnet Square?
Dominant alleles are shown by a capital letter and recessive alleles are lowercase letters.
How dominant and recessive are represented in a punnet square?
Dominant alleles are shown by a capital letter and recessive alleles are lowercase letters.
When will a trait controlled by a recessive allele be shown?
only when two recessive alleles are present
What is a condition that is shown only when two recessive alleles are present?
Recessive trait...
Is recessive allele the one which is hidden whenever the dominant is present?
Yes, a recessive allele is only expressed when an individual has two copies of that allele (homozygous recessive) or when the dominant allele is absent. It is "hidden" in the presence of a dominant allele.
What is an Dominant allele?
A dominant allele is a gene that holds a certain characteristic that is superior to a recessive allele. The dominant allele ALWAYS has its trait shown in the body of the recipient, except when both alleles in a gene are recessive.
How do dominant and recessive alleles affect an offsprings phenotype?
The traits inherited depends upon the alleles that have been passed on from the father and mother.The traits that are exhibited is called as the phenotype. Dominant allele needs only one copy to be expressed.For example in a pea plant "T" represents the tall dominant allele and "t" the short recessive allele .TT - when there are two dominant alleles the pea plant will express the tall trait. The pea plant is tall.Tt - when there is one dominant and one recessive allele the pea plant will still express the tall trait.In this case the dominant allele masks the recessive allele and the pea plant is still tall.tt - when there are two recessive alleles the pea plant will express the recessive trait and the pea plant is short.For a recessive trait to show up there should be a pair of recessive alleles.
When a trait has more than two alleles is that trait inherited?
If one parent has a dominant trait and and another parent has a recessive trait, then the recessive trait gets hidden while the dominant trait gets shown.
How are alleles shown in genetic coding?
letters are used to represent traits for example capital letters are used to show dominant traits GG-two dominant traits lower case letters are used to show recessive gg-two recessive traits
How did mendel find out whether the recessive allele were still present in the f1 plants?
he breeded the f1 plants with a recessive homozygous plant and if the offspring (f2) showed the recessive allele, then the recessive allele is still present in the f1 plant
Why are some parents traits expressed in their offspring and others are not?
Some traits are recessive and some are dominant. The recessive trait could be masked/hidden because of the dominant trait. Two copies of recessive alleles are needed to be shown in the phenotype.
