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I guess the best way to answer that is genetic variation.... otherwise we would all have the same physical characteristics. This ensures health of a species as some people may be more resistant to a virus than another and so theoretically the fitter and stronger will produce more young and pass on those 'good' genes to more offspring.
Added:
Mutation can produce different molecular forms of the same gene. This is the ultimate reason for alleles. Just remember that mutations are rare..especially beneficial ones or neutral ones that have no effect on the individual.
What else can I help you with?
What is the study of reason called?
The study of reason is called logic. It involves analyzing and evaluating arguments to determine their validity and soundness. Logic is an important aspect of philosophy and critical thinking.
Why is cell called the unity of life?
for this reason ceall are called structural and functional units of life
What principle helps to explain the reason behind why alleles for a single trait separate from each other when gametes are made to ensure that each gamete only carries one allele?
The principle that explains why alleles for a single trait separate during gamete formation is known as Mendel's Law of Segregation. This principle states that during the formation of gametes, the two alleles for a trait segregate, or separate, so that each gamete receives only one allele. This segregation occurs during meiosis, ensuring that offspring inherit one allele from each parent, thereby maintaining genetic diversity.
Can two different commissioner of oath signed two different documents for the same reason?
Yes, two different commissioners of oath can sign two different documents for the same reason. Each commissioner is authorized to administer oaths and affirmations independently, so multiple commissioners can sign separate documents for similar purposes.
How does the allele that causes a disease stay in the population if it is fatal?
Alleles that cause fatal diseases can persist in a population due to several factors. One reason is that they may not express symptoms until after reproduction, allowing carriers to pass the allele to their offspring. Additionally, certain alleles may confer advantages in specific environments, such as resistance to other diseases, which can help maintain their presence in the gene pool. Finally, mutation can introduce new instances of the allele, further sustaining its prevalence.
What is the ultimate question about the meaning of life?
The ultimate question about the meaning of life is: "What is the purpose or reason for our existence?"
How do you go from Windows 7 ultimate to Windows 7 home premium?
All the features of Home Premium are included in Ultimate. There is no reason to go backwards.
Mendel discovered that certain traits appear to be dominant over others a phenomenon which later came to be known as Mendel's principle of dominance what is one reason for this?
Mendel ran a series of tests and found the reasonings on why many flowers had different outcomes such as its color. So it is called the Principle of Dominance because of his discovery of knowing which plants would grow which colors. For example, a white flower may be dominant over a purple flower so in this case the purple would be recessive. More plants would grow white flowers because the plant actually transfers its genes from past generations through pollination. This is also referring to Mendels use of Punnett Squares which is a way to find out which color flower is dominant over the other.
Why are blood types different if we are all descended from Adam and Eve?
For the same reason any other differences exist between individuals - the alleles necessary for the various blood types were present in Adam and Eve and were expressed in various combinations in their descendants.
If you can ride a unicycle can you ride an ultimate wheel?
I see no reason why you would not be able too.
The Southern states' fear of losing liberty and power was?
the ultimate reason for their secession from the Union.
What was the ultimate reason for the success of the Moody campaigns?
The moving of the Holy Spirit in the hearts of men
What is bad about terrorism?
It is the ultimate act of evil to target innocent people for the reason that they are innocent.
What is an ultimate factor?
Ultimate factors are always selective facores, and ultimate explanation for clutch size differences always involve evoluionary arguments about adaptation.
What is the definition of ultimate cause?
The definition of ultimate causes is the ultimte cause of ur causes
Why light speed is limited?
The ultimate answer is that, in our Universe, it just is. There's no reason it HAS to be that way, but it just is -- whether we like it or not.
Is iron ore called hematite because of its vivid blue color?
No, it is named for a very different reason I'm not sure though what it is
