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The allele for short legs is recessive and is represented by q. If 12 of 100 organisms have short legs what is p?
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How do scientists represent a dominant allele?
with the traits first letter as a capital { ex: tall will be represented as T} the recessive allele will be the same letter as a lowercase letter { tall, dominant, is T, short ,recessive, so it would be t
How is a recessive alle different from a dominant allele?
its different because adominant allele is in charge
What is the phenotypic ratio of the offspring when a tall man marries a short woman?
The phenotypic ratio of the offspring when a tall man marries a short woman is 3:1 (tall/short). The phenotypic ratio is figured by using the punnet square with the dominant allele for tall and the recessive allele for the short gene.
When gregor mendel crossed a tall plant with a short plant the f1 plants inherited which allele copies?
one allele from each parentThe F1 generation inherited one dominant (tall) allele from the tall parent and a recessive (short) allele from the short parent. The F1 generation were heterozygous and tall.
What is the difference between the Principle of Dominance and the Principle of Segregation?
These are principles which Gregor Mendel discovered when he carried out his experiments on inheritance in pea plants. Mendel discovered that each character eg height of the plant, is controlled by two genes (which he called 'factors'), one from each parent. The Law of Segregation states that when gametes (sex cells: eggs and sperm) are produced, the two genes in each pair separate (segregate) and go to different cells. This means that eggs and sperm end up with only one copy of each gene, instead of a pair of genes. Mendel also discovered that genes occurred in alternative versions which we call alleles eg the height gene can be the tall allele or the short allele. If an individual plant inherits one tall allele and one short allele, the tall allele 'hides' the short allele and the plant is tall. The tall allele is called the dominant allele. Dominant alleles only need to be inherited from one parent to produce an effect. The short allele is called the recessive allele. A recessive allele must be inherited from both parents in order to produce an effect.
A species of fly has two alleles for the length of their legs. The allele for long legs is dominant and is represented by p. The allele for short legs is recessive and is represented by q. If 12 of 10?
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How do scientists represent a dominant allele?
with the traits first letter as a capital { ex: tall will be represented as T} the recessive allele will be the same letter as a lowercase letter { tall, dominant, is T, short ,recessive, so it would be t
What do purebreeds conists of?
Purebreds is a term to describe organisms that contain a homozygous gene, whether dominant or recessive. Usually, this can be down through selective breeding which is practised in many industrial purposes, such as raising cattle. For example the gene for tallness is dominant, therefore represented by a T, while for shortness it is a recessive allele, which is represented by a t. A purebred for tallness can be either TT or tt, meaning purebred tall, or purebred short.
Compare and contrast dominant and recessive?
In genetics, each organism will typically have 2 alleles for each trait. For a trait such as hair color, you might have an allele for red hair from your dad and an allele for brown hair from your mom. The trait for brown hair happens to be dominant to the trait for red hair so you would show the allele for brown hair. (In other words, you would have brown hair.)
How is a recessive alle different from a dominant allele?
its different because adominant allele is in charge
What is a heterozygous recessive?
Homogeneous recessive is two like genes that express a recessive trait.
How might a geneticist write the alleles to show that a tall pea plant has one alleles for tall stem and one alleles for short stems?
Having one allele for tall stems and one allele for short stems is a heterozygous genotype and could be represented as Tt, where T represents the tall allele, and t represents the short allele, if the tall allele has complete dominance over the short allele.
Allele for light hair?
In humans the allele for light hair is recessive.
An organism with a genotype of Hh is a hybrid because?
All the F1 plants are tall because the dominant allele for a tall stems masks the recessive allele for short alleleAn organism with a genotype of Hh is a hybrid because the dominant allele for longer stems covers the recessive allele.
When a plant has two recessive alleles for short stems its alleles are written?
well it depends on the letters that you are given, recessive alleles are ALWAYS lower case.An example answer would be: ss, where s would represent the recessive allele.
What is the phenotypic ratio of the offspring when a tall man marries a short woman?
The phenotypic ratio of the offspring when a tall man marries a short woman is 3:1 (tall/short). The phenotypic ratio is figured by using the punnet square with the dominant allele for tall and the recessive allele for the short gene.
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.
