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A pleiotropic gene is a gene that has multiple effects on an organism's phenotype, influencing various traits or characteristics simultaneously. This can result in a single gene affecting multiple seemingly unrelated traits. These genes play a significant role in shaping an organism's overall phenotype and can contribute to complex genetic traits and diseases.
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Can one gene influence many traits?
YesYes. Those types of genes are called polygenic traits.
How is pleiotropy different from polygenic inheritance?
Pleiotropy occurs when a single gene influences multiple traits or characteristics, while polygenic inheritance involves the combined effect of multiple genes on a single trait or characteristic. Pleiotropy involves one gene affecting many aspects of an organism's phenotype, whereas polygenic inheritance involves many genes contributing to one aspect of an organism's phenotype.
Can you define paralogs and explain their significance in genetic research?
Paralogs are genes that are related through a gene duplication event. They have similar sequences but may have different functions. In genetic research, paralogs are important for understanding gene evolution, gene function, and genetic diversity within a species. They can provide insights into how genes have evolved and diversified over time, and how they contribute to different biological processes.
A gene that can be masked by another gene is called?
A gene that can be masked by another gene is referred to as a recessive gene. This means that the trait associated with the recessive gene is expressed only when two copies of the gene are present.
What is a version of a gene that masks the effect of another version?
A dominant gene is a version of a gene that will be expressed and mask the effect of a recessive gene in a heterozygous individual.
Can s single gene control more than one characteristic?
Yes, a single gene can control more than one characteristic through a concept called pleiotropy. This occurs when a gene influences multiple, seemingly unrelated traits or phenotypes. Examples include the gene responsible for sickle cell anemia, which can also affect resistance to malaria, or the gene responsible for Marfan syndrome, which can impact the heart, eyes, and skeleton.
Cats that are white with blue eyes have the pleiotropic affect of?
Cats that are white with blue eyes have the pleiotropic effect of having impaired hearing due to a gene associated with the white coloration also affecting the development of the inner ear. This condition is known as congenital deafness and is more common in cats with blue eyes.
Is a gene that has multiple phenotypic effects a property call pleiotropy?
Yes, pleiotropy refers to a situation where a single gene influences multiple phenotypic traits. This means that one gene can have various effects on an organism's characteristics, which can complicate the understanding of genetic inheritance and expression. Pleiotropic effects are often observed in genes that play crucial roles in development or metabolic pathways.
When two or more sets of alleles affect the same trait in an additive fashion the trait is termed?
Yes, a single gene can affect many traits. this is called plieotropy
Which describes pleiotrophy?
Pleiotropy refers to the phenomenon where a single gene influences multiple, seemingly unrelated phenotypic traits. This occurs because the gene can affect various biological pathways or processes. For example, a mutation in a pleiotropic gene might lead to changes in multiple traits, such as growth, metabolism, and susceptibility to disease. Pleiotropy is significant in understanding complex traits and the genetic basis of various disorders.
What term define a gene made up of two different alleles?
Heterozygous
What causes pleiotropy?
Pleiotropy occurs when a single gene influences multiple phenotypic traits. This phenomenon can arise from various mechanisms, such as the gene affecting different cellular pathways, having multiple functions, or being involved in various biological processes. Additionally, a gene may produce different effects in different tissues or developmental stages, leading to diverse traits. Genetic interactions and environmental factors can further complicate the expression of pleiotropic effects.
Can one gene influence many traits?
YesYes. Those types of genes are called polygenic traits.
How is pleiotropy different from polygenic inheritance?
Pleiotropy occurs when a single gene influences multiple traits or characteristics, while polygenic inheritance involves the combined effect of multiple genes on a single trait or characteristic. Pleiotropy involves one gene affecting many aspects of an organism's phenotype, whereas polygenic inheritance involves many genes contributing to one aspect of an organism's phenotype.
Which genectic information is a cue to where one gene begins and where one ends?
The start codon (usually AUG) determines where a gene begins, initiating protein translation. The stop codon (such as UAA, UAG, or UGA) marks the end of the gene, signaling the termination of translation. These genetic signals help define the boundaries of a gene within a DNA sequence.
What color eyes did gene autry have?
Gene Autry, the famous American singer, actor, and cowboy, had blue eyes. His striking blue eyes contributed to his charming on-screen presence and helped define his image as a quintessential American cowboy.
Define the terms homozygote and heterozygote?
Homozygote: (genetics) an organism having two identical alleles of a particular gene and so breeding true for the particular characteristic. Heterozygote:(genetics) an organism having two different alleles of a particular gene and so giving rise to varying offspring.
