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Dominant alleles are shown by a capital letter and recessive alleles are lowercase letters.

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Viva Bashirian

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3y ago

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How dominant and recessive 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 a punnet square?

Dominant alleles are shown by a capital letter and recessive alleles are lowercase letters.


What are some important discoveries in genetics?

Mendel figured out about dominant and recessive alleles, and Punnet found out about inheritance patterns.


A genetics tool that uses letters to represent dominant and recessive alleles?

A punnet square uses letters to represent dominant and recessive alleles.


How do dominant and recessive alleles are represented by letters?

A capital letter, example, Ff, F would be the dominant letter. Also, in Nn, N will be the dominant letter because its capital and dominant


Describe what a punnet square shows you about combinations of alleles?

A punnet square shows all possible combinations of alleles from two parents and predicts the likelihood of certain genetic outcomes in their offspring. By organizing alleles into different combinations, a punnet square helps demonstrate the principles of Mendelian genetics, including dominant and recessive traits.


What is the difference between dominant and recessive gene?

There are no such things as dominant and recessive genes. There are only dominant and recessive alleles. Dominant alleles are parts of a gene that present its features over the recessive allele, which is the one that is always masked by the dominant allele. The recessive allele's trait only shows if both of the alleles in a trait are recessive.


When an allele mask the presence of another allele it is said to be?

Dominent. Simple- you have two types of Alleles, Dominent and Reccessive. Imagine a punnet square for the allele that causes albinoism (A). One parent has Aa, or one dominent allele and one reccessive allele for the trait. If the dominent skin-tone gene wasn't there (A), then it would be AA and he would be an albino. But since he has a dominent allele, he has normal color. If he made a baby with another Aa combination, they would have 25% chance of having an AA baby with no reccessive allele, a 50% chance of having an identical Aa combination, and a 25% chance of having an albino baby, AA.


What happens when a single gene has two alleles?

Two alleles represent a gene. ETC- The paternal (fathers) allele is B (for brown eyes) The mothers (maternal) is b ( for blue eyes) The capital B is the dominant allele, lowercase b is recessive. Therefore, a punnet square will show the offspring can be either hetrozygous or homozygous (recessive or dominant) Alleles represent the charactersitic, while a gene is a segment of DNA where heredity is based.


Dominant and recessive genes?

Dominant genes are shown for example as T recessive genes are shown as t if there is a dominant and recessive gene (Tt) then your child will get the dominant one this is called heterozygous. Meaning that they have two different genes for a trait such as curly hair and straight hair. There is also being homozygous (TT or tt) the only way your child could recieve a recessive gene such as left handednes, is if the two parents were carrying a recessive gene along with their dominant one or if they both were carrying two reccesive genes. the childs probable genotype can be explaind a lot better with a Punnet Square. I hope this wasn't too confusing.:-)


How Do recessive and dominant alleles get filled into a punnet square?

here is an example: key: dark hair - H (dominant) light hair - h (recessive) father: Hh mother: hh father's alleles: H & h mother's alleles: all h punnet square: father's __H____l____h_____ Mothers: h l Hh l hh The father's dominant H allele combines with the mother's h allele produces Hh The father's reccesive h allele combins with the mother's h allele produces hh therefore the possible combinations of alleles are Hh and hh. 1/2 of their children will have dark hair and 1/2 of their children will have light hair


What are the types of homozygous traits you can get from punnet squares?

AA: Homozygous dominant aa: Homozygous recessive