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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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rla0705 rla0705
wrote...
11 years ago
We learned about DNA and genes in Biology a few weeks ago and I just wondered if there was a way to find out what my genes are. (homozygous - AA or aa, heterozygous - Aa, just in case you didnt know)
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wrote...
#1
11 years ago
Out of the ~35,000 genes? You can't.

For the ones you can see the phenotype of? You should be able to figure out your genotype by looking at your parents and grandparents.
wrote...
#2
11 years ago
ya there migth be one way. trace back ur ancestors to the beginning of time. good luck.
wrote...
#3
11 years ago
Since Human is a very complicated animal, hair colors, skin color, hight, etc, are all controlled by multiple genes. Factors are almost enourmos, so "Being Homozugout for blonde hair color" is simply meaningless.
wrote...
#4
11 years ago
There are only 2 situations where you can tell:

1) if you have a recessive characteristic.  The genes for that one would have to be homozygous.

2) if you have a dominant characteristic and one of your parents has the recessive version of the same characteristic.  Then you must be heterozygous for that one.
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