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How can an organism have a trait that neither of its parents have?

Posted on August 27, 2022 by Author

How can an organism have a trait that neither of its parents have?

How might it be possible for you to show a trait when neither of your parents show the same trait? It can be carried to you when the chromosomes combine even if the parents don’t possess the same trait. It can skip and be dominant for you, so you would be able to see it in your genetic make up.

What determines the traits that an organism exhibits?

The traits an organism displays are ultimately determined by the genes it inherited from its parents, in other words by its genotype. Variant copies of a gene are called alleles, and an individual’s genotype is the sum of all the alleles inherited from the parents.

How can a particular trait skip a generation?

Recessive traits like red hair can skip generations because they can hide out in a carrier behind a dominant trait. The recessive trait needs another carrier and a bit of luck to be seen. This means that it can sometimes take a few generations to finally make its presence known.

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How is it possible for an offspring to exhibit a recessive trait if neither parent exhibited that recessive trait?

Only individuals with an aa genotype will express a recessive trait; therefore, offspring must receive one recessive allele from each parent to exhibit a recessive trait.

Why is it possible for a trait that is not present in the present generation to appear in the next generation?

Genes come in different varieties, called alleles. Somatic cells contain two alleles for every gene, with one allele provided by each parent of an organism. However, an allele that is hidden, or not expressed by an organism, can still be passed on to that organism’s offspring and expressed in a later generation.

What is not genetic?

‘Non-genetic’ inheritance (NGI) involves a wide range of epigenetic, cytoplasmic, and other mechanisms. The term inherited gene regulation (IGR) provides a unifying concept for the diverse heritable factors that may alter offspring gene expression.

How does a child inherit traits from its parents?

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Parents pass on traits or characteristics, such as eye colour and blood type, to their children through their genes. Some health conditions and diseases can be passed on genetically too. Sometimes, one characteristic has many different forms. For example, blood type can be A, B, AB or O.

How are traits inherited from parents to offspring?

How can offspring have different traits from their parents?

Although an individual gene may code for a specific physical trait, that gene can exist in different forms, or alleles. One allele for every gene in an organism is inherited from each of that organism’s parents. Alleles produce phenotypes (or physical versions of a trait) that are either dominant or recessive.

How can a parent pass a trait to its offspring?

Heredity, also called inheritance or biological inheritance, is the passing on of traits from parents to their offspring; either through asexual reproduction or sexual reproduction, the offspring cells or organisms acquire the genetic information of their parents.

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Can a baby have red hair if the parents don t?

In order to be a redhead, a baby needs two copies of the red hair gene (a mutation of the MC1R gene) because it is recessive. This means if neither parent is ginger, they both need to carry the gene and pass it on — and even then they will have just a 25\% chance of the child turning out to be a redhead.

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