What are some techniques for genotyping?

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In summary, genotype refers to the genetic makeup of an organism and can be determined through analyzing their DNA. It is not possible to determine someone's genotype solely based on their physical appearance. The difference between genotype and phenotype is that genotype is the genetic makeup while phenotype is the observable traits. It is possible for two individuals to have the same genotype, such as identical twins who share the same DNA.
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terryds
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I just wonder how to..
In textbook, it says using testcross (crossing the unknown genotype to the homozygous recessive genotype)
Again, how to know if it's homozygous recessive?
What device is used ?
 
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If you know that a trait is recessive, then individuals showing the recessive phenotype must be homozygotic. Plus, one can create lineages that are homozygotic at most loci by inbreeding a particular strain.

There are also a variety of molecular biology techniques to genotype individuals:
https://en.m.wikipedia.org/wiki/Genotyping
 
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1. What is a genotype?

A genotype refers to the genetic makeup of an organism, including all of its inherited genes.

2. How do you determine someone's genotype?

A person's genotype can be determined by analyzing their DNA, which can be done through various techniques such as genetic testing and DNA sequencing.

3. Can genotype be determined from physical characteristics?

While certain physical characteristics may be linked to specific genotypes, it is not possible to determine someone's genotype solely based on their appearance.

4. What is the difference between genotype and phenotype?

Genotype refers to an organism's genetic makeup, while phenotype refers to the observable traits or characteristics that result from that genetic makeup.

5. Can two individuals have the same genotype?

Yes, it is possible for two individuals to have the same genotype, especially in the case of identical twins who share the same DNA.

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