498 Answered Questions for the topic genetics

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 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 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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Genetics Biology

08/26/18

homologous recombination.
The process of homologous recombination, to repair a double strand DNA break, begins with the nucleolytic processing of the 5’ ends. why this step is necessary for homologous recombination to... more
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Genetics Ecology Ecosystem

08/22/18

can genetic engineering be considered as biological control?
can genetic engineering be considered as biological control?
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06/12/18

Could you get an SNP mutation in a microsatellite?
 This would kind of give a mutation in a mutation? is it possible? if so, how would it occur? and what would it cause? 
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06/03/18

what is the name of the mechanism by which plasmid is replicated
Microbial Genetics.
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04/10/18

b-galactasidase
If glucose is present at high levels in a culture medium, will significant levels of active Β-galactosidase enzyme be detected?  
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Genetics Biology

04/09/18

3- From an evolutionary prospective, why did possessing the sickle cell trait give the individual a survival advantage?
This is asking about the fact that it is most common in blacks.
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04/03/18

Phylogenetic Tree
How would the following bacteria be placed in a phylogenetic tree? Desulfurococcus, Geogemma, Borrelia, Acidimicrobium, Deinococcus    
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Genetics Biology

03/16/18

What is the sequence of nucleotides on the opposite complementary strand?
A short fragment of DNA has the following sequence on one of the strands:<>5' TTCCGATGACGA 3'< Assuming normal base pairing rules are followed, what is the sequence of nucleotides on the... more
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Genetics Biology

03/16/18

Which of the following statements is true with respect to transcription repressors?
A. They decrease transcription by blocking elongation B. They increase transcription by increasing the rate of elongation C. They increase transcription by increasing the rate of initiation D. They... more
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Genetics

01/30/18

When offspring show a blend of the parents traits, one allele is dominant over the other
In genetics 
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Genetics

10/30/17

Heterogeneous dwarf plant(tT) can exist?
There are 2 types of pea plant according to Mendel: 1)Tall(TT or Tt) 2)Dwarf(tt) Can there exist a dwarf pea plant with genotype tT, if there can exist a heterogeneous tall pea plant?
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10/06/17

Punnett square for indpendent assorting
How would you demonstrate that two loci are independently assorting? Describe your experimental design and your specific predictions. Locus A has two possible alleles, A1 and A2, and Locus B has... more
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