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I am pretty sure it was humans, but that's just me I am not sure.

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What is the difference between dominant alleles and recessive alleles?

dominant-appears in first generation recessive-seems to dissapear


What major animal group replaced the dinosaurs and reptiles in the Cenozoic Era?

mammals The mass extinction that occurred at the end of the Cretaceous period left a lot of empty spaces for the surviving animals to fill. Lizards and crocodilians were around, but in general, land life in the earliest millennia of the Cenozoic was sparse. No animals really replaced the dinosaurs in the early years of the Paleocene epoch, but if you're asking which of the tetrapods eventually took over, I think it's a tossup between the birds and the mammals, depending on which continent you're considering and how a many millions of years you wish to traverse. In presumptive South America and Europe, the mammals were primarily small insectivores and/or herbivores; based on the fossil evidence, none had teeth that were designed for cutting meat. The birds that survived the extinction pulses vied with the mammals for dominance and the issue swung back and forth for millennia. By the late Paleocene, in Europe and South America, huge, very obnoxious-looking birds - some as tall as 7-8 feet with huge, very aggressive bills - became the dominant meat-eaters. In Asia, this seems not to have been the case. .


Which has happened recently in the group of countries known as?

It seems your question is incomplete. Could you please specify which group of countries you are referring to and what specific event or topic you would like to know about?


What are dominit and ressive?

It seems like there is a typo in your question. If you meant "dominant" and "recessive," they are terms used in genetics to describe the relationship between two versions of a gene. A dominant gene will be expressed over a recessive gene when present in an individual's genetic makeup.


What is the factor that seems to disappear due to a dominant allele?

An allele is one particular form of a gene. A large population of living things typically have several different allele for any particular gene. For example, one important gene in humans determines blood type compatibility. That gene comes in 3 different alleles -- A, B, and O. Most plants and animals are diploid -- they have 2 of each gene, one inherited from each parent. For example, any one human has one of six possible genotypes for that gene: AA, BB, OO, AB, AO, BO. A recessive allele seems to disappear when paired with a dominant allele. If something has a dominant and recessive allele, the dominant will overshadow the recessive, but the recessive will still be there (just not showing). For example, the O allele is recessive when paired with the A allele, which is dominant, and so humans with the AO genotype as well as the AA genotype have "type A blood". Only humans with the OO genotype show "type O blood". According to the Wikipedia "allele" article, some people once thought that all genes had only one "normal" allele, which was both common and dominant, and all other versions of that gene (all other alleles) were rare and recessive. However, most genes have many different "normal" alleles, whose frequencies vary from one population to another. With some genes, the most common allele is recessive.

Related Questions

Is the difference between a dominant and recessive allele?

dominant-appears in first generation recessive-seems to dissapear


A trait that seems to disappear when two different genes for the same trait are present?

dominant


What is the difference between dominant alleles and recessive alleles?

dominant-appears in first generation recessive-seems to dissapear


What is consetlation?

There seems to be a typographical error in your question. However, if you are referring to "constellation," it is a group of stars forming a recognizable pattern in the sky. Constellations are often named after mythological figures, animals, or objects. They have been used for navigation and storytelling for centuries.


John the Baptist seems to echo the beliefs of which Jewish group?

Essenes


What age does Peer group conformity seems to peak?

13-14


Why do woman like men?

Not all men do. Some men prefer the female to assume the dominant role in relationships. That seems to be the major reason.


Do animals live Mt. Everest?

yes they do it seems amazing but THEY DO Ellys gudger ;)


Why do men like bad woman?

Not all men do. Some men prefer the female to assume the dominant role in relationships. That seems to be the major reason.


What describes a trait that is covered over or dominated by another form of the trait and seems to disappear?

A trait that is covered over or dominated by another form of the trait and seems to disappear is called a recessive trait. In genetics, recessive traits only manifest when an individual has two copies of the recessive allele.


What is the big ride?

It seems like a big group of riders and traveling to places


What major animal group replaced the dinosaurs and reptiles in the Cenozoic Era?

mammals The mass extinction that occurred at the end of the Cretaceous period left a lot of empty spaces for the surviving animals to fill. Lizards and crocodilians were around, but in general, land life in the earliest millennia of the Cenozoic was sparse. No animals really replaced the dinosaurs in the early years of the Paleocene epoch, but if you're asking which of the tetrapods eventually took over, I think it's a tossup between the birds and the mammals, depending on which continent you're considering and how a many millions of years you wish to traverse. In presumptive South America and Europe, the mammals were primarily small insectivores and/or herbivores; based on the fossil evidence, none had teeth that were designed for cutting meat. The birds that survived the extinction pulses vied with the mammals for dominance and the issue swung back and forth for millennia. By the late Paleocene, in Europe and South America, huge, very obnoxious-looking birds - some as tall as 7-8 feet with huge, very aggressive bills - became the dominant meat-eaters. In Asia, this seems not to have been the case. .