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Defective

Defective

Denoting or exhibiting a defect; imperfect; a failure of quality.


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Too many ions inside a neuron cell. What happens?

... ions can escape as they rush into the neuron. What happens when (too many) sodium ions rush into a neuron cell, with no way of them escaping (defective or inactivated K channels)? What happens? Assuming there's a constant, rapid influx of sodium ions with no means of escape. What happens to ...

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by Coelacanth
Tue Dec 03, 2013 1:34 am
 
Forum: General Discussion
Topic: Too many ions inside a neuron cell. What happens?
Replies: 1
Views: 652

Re: What causes dominance between alleles?

... are making transcripts. Maternal - good protein Paternal - good protein Result - plenty of good protein Now say you have one allele that encodes a defective protein. Since there is still good transcript being made from the healthy allele, you don't see a disease due to lack of the protein. Maternal ...

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by jonmoulton
Fri Aug 09, 2013 7:45 pm
 
Forum: Genetics
Topic: What causes dominance between alleles?
Replies: 2
Views: 2180

Re: How Genes/expression Determine Organism Shape

... of this gene) - can make 100 units of hormone per hour. Gene 1 allele B - can make only 50 units of hormone per hour. Gene 1 allele C - makes defective hormone = no hormone. Now, someone with 2 alleles A (AA) will produce 200 units of hormone/hour = tall. One A and one B allele (AB) will produce ...

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by Cat
Mon May 20, 2013 1:41 pm
 
Forum: Genetics
Topic: How Genes/expression Determine Organism Shape
Replies: 2
Views: 4113

Re: mutations and dependencies

... on all of its harmful mutations. On top of that, natural selection is also occurring within our bodies. Within the seminiferous tubules, severely defective cells may simply die off before they can divide (pass on their mutations). Thus the worst mutations will have less chances of being carried ...

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by wildfunguy
Sat Feb 23, 2013 3:50 pm
 
Forum: Evolution
Topic: mutations and dependencies
Replies: 29
Views: 14729

Help??? Genetics problem cannot figure it out?

Since man has only one X chromosome, she must have one X defective and one X normal (from mother). In 30% of cell divisions the chromosomes recombine and form two defective X chromosomes (each for other disease, but they ask for normal kid, so any of ...

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by JackBean
Sun Feb 17, 2013 10:44 pm
 
Forum: Genetics
Topic: Help??? Genetics problem cannot figure it out?
Replies: 2
Views: 2071
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