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they like to be so they are
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∙ 13y ago
Anonymous
there are intron and exons in eukaryotes. Introns do not contain the genic information but are in large
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Genetic disorders are caused by?
Genetic Disorders are caused By a change in a person's DNA. Recessive alleles is the most human genetic disorder.
Did Darwin believe that mutations are the main cause for evolution?
At the time that Darwin published his work the theory of genetic transfer of characteristics by Gregor Mendel had not been published. As a consequence genetic theory, mutations, recessive characteristics and allof those issues would be unknown.
What can cause changes in DNA sequences?
mutations
Are most multicellular organisms prokaryotes?
No, most of the organisms are not muticellular. Many bacterias are unicellular in nature. Humans and other eukaryote are an example of multicellular organisms.
What is the significance of mutations to living things?
Many, if not most, mutations are neutral, meaning that they have little or no effect on the expression of genes or the function of the proteins for which they code.
Why aren't somatic mutations passed on to the next generation?
most genes mutations are recessive, and since most organisms have two of every genes, the normal genes will dominate the recessive genes.
Are human limb mutations dominant or recessive?
Most definitely dominant. This is why they are a rarity. They'd occur more often if they were recessive.
How are mutations returned to normal in an organism?
Mutations on recessive genes return to normal in an organism
Why do prokaryotes and eukaryotes differ in there reliance on mutations for generating genetic variations?
Eukaryotes sexually reproduce, prokaryotes do not.
Are all mutations dominant?
Not all the time remember that in mutations it is a accidental change in the genetic code for example if you change one letter in a entire sentience you can change the message. the cat sat on the rug the car sat on the rug the cat sat in the rug
Do autosomes have lethal recessive genes?
Yes. Autosomes CAN have lethal recessive genes, but that does not mean they always contain recessive mutations.
What kind of pattern of inheritance of cystic fibrosis?
Inheritance - Autosomal recessive, requires mutations on both alleles - A single gene on chromosome 7, which encodes for the cystic fibrosis transmembrane conductance regulator - There are over 1000 different mutations for this gene - The most common is Delta F508, which makes up 67% of all mutations in the Caucasian population - Caucasians most effected
What causes zellweger syndrome?
Zellweger syndrome is caused by mutations in any one of at least 12 genes ; mutations in the PEX1 gene are the most common cause. It is inherited in an autosomal recessive manner. There is no cure for Zellweger syndrome; treatment is generally symptomatic and supportive.
What did eukaryotes most evolve from?
Eukaryotes most likely evolved from prokaryotes.
Cystic fibrosis is it monosomy 21?
No. Cystic fibrosis is an autosomal recessive disease caused by mutations found on chromosome 7.
What are the causes of PXE?
PXE is caused by changes in the genetic material, called mutations, that are inherited in either a dominant or recessive mode.
Is joubert Syndrome dominant or recessive?
autorecessive...both parents have to be carriers.There is a rare X-linked form caused by mutations in the OFD1gene.
