515 Answered Questions for the topic genetics

Genetics Environment

03/19/19

Have any genetically altered organisms actually become abundant in a natural environment?
Most of the things that come up in Google and Google Scholar for this question have a mostly/completely speculative tone, or at best use models instead of measurements. [This... more
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Genetics Bioinformatics

03/19/19

What does phasing mean?
What does phasing mean in genetics/informatics? I've heard that a phased file is a file that has genes separated by chromosome, but can someone give a concrete definition of what phasing actually... more
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Genetics

03/19/19

Do we get 1/4 of our genes from each grandparent?
I know that we get half of our genes from each parent, but does it necessarily mean we get 1/4 of our genes from each grandparent? Or is it possible that we might get say 30% from one grandparent,... more
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03/18/19

How does Cro protein expressed by lambda phage kill its host?
I read that the DNA segment of lambda phage integrated in host DNA could switch between lysogenic state where cI represses the expression of *Cro* and lytic state where *Cro* expression takes over... more
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Genetics Biology

03/18/19

What is meant by biogenetic law?
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Genetics Science

03/17/19

where is the DNA of most cells contained
where is the DNA of most cells contained
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03/15/19

Is it possible to genetically modify a plant at home?
Would I be able to genetically modify a plant at home? What equipment will be necessary? I think it might be a fun change from the 'norm' of regular hybridisation, to try some inter-family gene... more
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03/15/19

Knockout and knockdown of gene?
Out of curiosity, I got this question whether knocking out (deletion) of a gene on one side and knocking down (RNAi) of the same gene on the other side will affect the cell in a similar manner or... more
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03/15/19

Are all functions of a human cell known?
Please bear with me as I'm intruding into your world from a computer science background. In programming, once you have created a program, you know all functions of that program. Thus, 100%... more
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03/15/19

How is it possible for monosomies to occur?
I was taught in biology class that a cell dies if it doesn't have at least one copy of a chromosome "type". If this is the case, that means that:1. Zygotes without a copy of a specific chromosome... more
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Genetics Biology

03/14/19

How many chromosomes does a normal human haploid cell have? How many chromosomes does a normal human diploid cell have? How many sex chromosomes do each of them contain?

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03/14/19

Why is DNA antiparallel? Can it be parallel?
My biology textbook mentions that DNA is antiparallel and it got me wondering... Can DNA be parallel? What would happen if it was parallel? could DNA still replicate right?
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03/14/19

How are the boundaries of a gene determined?
What statistical processes and methods are used by geneticists/molecular biologists to know where one gene starts and one ends?
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Genetics Biology Chemistry

03/14/19

If a double stranded DNA has 20 per cent of cytosine, calculate the percent of adenine in the DNA.
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03/14/19

Redundancy of the genetic code?
One particular codon codes only for one amino acid, but an amino acid can be coded for by several different codons. Now according to the genetic code, the codon `UUU` codes for the amino acid... more
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03/14/19

What is the biological mechanism underlying caffeine intolerance? (CYP1A2 or other?)?
As far as I can tell, caffeine metabolism occurs primarily via the CYP1A2 enzyme. I am curious as to whether mutations in the CYP1A2 gene are associated with caffeine intolerance. Some site that... more
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Genetics Biology

03/14/19

Name the types of nitrogenous bases present in the DNA.
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03/13/19

Solving Hardy Weinberg problems?
I really fail to understand Hardy-Weinberg equilibrium and can't find an easy enough source of information. Can you help me to understand Hardy-Weinberg equilibrium? My goal is to be able to... more
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Genetics Science

02/26/19

Help fast!Description below:What are the genotypes of the parents? Complete the genetic cross and describe the ratio of blue to brown eyes among the children. What are the genotypes of the children?
A women with blue eyes, a recessive trait, and a man with brown eyes, the dominant trait, have children with both blue eyes and brown eyes.What are the genotypes of the parents?Complete the genetic... more
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Genetics Biology

02/21/19

What is the difference between skin color and eye color in how the phenotype is expressed?
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Genetics

02/06/19

what type of biomolecule does the process of transcription result in?
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01/31/19

Protein with 2 signals to the mitochondria and ER. Who would win?
Imagine that you have engineered a gene that encodes a protein with two conflicting signals. One signal is for protein import into the mitochondria and one signal is for import into the endoplasmic... more
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Genetics Biology

12/16/18

Resulting Offspring
Question: A male dragon that is tall, red eyed, and wide winged is mated with a female dragon that is short, white eyed, and narrow winged. The resulting offspring consisted of: tall, white,... more
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Genetics

11/08/18

Does all DNA have a function? Is all of the DNA in your genome, for example, part of a gene?

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Genetics Biology

08/26/18

leading and lagging strand DNA synthesis
why it is important that leading and lagging strand DNA synthesis is coupled, and how this is accomplished in prokaryotes.
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