498 Answered Questions for the topic genetics

12/04/19

What data does a sequencing chromatogram give??
For my lab we had to change the sequencing of Erv26 depending on our primer. We change the amino acid T69 from AAA to AUA. This is one of our figures but i am unsure how to interpret the data.
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12/03/19

Can someone help me analyze the results of this experiment
Restriction Enzyme Digest- Gel Extraction ResultsInsert- BamHI and BglIIVector- BamHI and KpnIWESTERN BLOT
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11/26/19

Box and Whisker plot For DNA extraction and Purification
I need to create a box and whisker plot for two different methods of DNA extraction and purification - silica resin spin column and inorganic method. What do I put on the X axis and Y axis?The data... more
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Genetics Biology

11/24/19

A 900 bp open-reading frame (ORF) that begins with an AUG start codon and ends with a stop codon would encode a polypeptide containing __________ amino acids.
A 900 bp open-reading frame (ORF) that begins with an AUG start codon and ends with a stop codon would encode a polypeptide containing __________ amino acids.Why is the answer 299?
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Genetics Biology

11/23/19

42. Many tumor cells are able to divide uncontrollably in cell culture in the laboratory. Some of these cell lines have genomes with a mutant tumor suppressor gene...
1) Many tumor cells are able to divide uncontrollably in cell culture in the laboratory. Some of these cell lines have genomes with a mutant tumor suppressor gene. By adding a wild-type copy of... more
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11/20/19

Why do arbuscular mycorrhizal fungi retain active circadian clock genes?
Symbiotic arbuscular mycorrhizal fungi colonize the root systems of perhaps 80% of modern-day plant families, and are responsible for assisting with intake of nutrients required for plant growth... more
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Genetics Science Biology

11/19/19

Two-Factor Cross: In pea plants, the "tall" allele is dominant over the short one, and yellow is dominant over green. Cross two plants that are hybrid for both traits. Show the Punnet Square.
I don't understand what it means by, "hybrid". Any help is appreciated. Thanks.
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Genetics Biology

11/17/19

Biology Genetics - Inheritance Question
assume that ischemic heart disease is conveyed by homozygous recessive alleles, hh, at a single locus. Individuals with at least one copy of the dominant allele H have normal blood vessels. Dwayne... more
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11/13/19

BIOLOGY DNA QUESTION
for the following mRNA with the seq 5' AUGCGGUACAGCUUAGC 3' what is the originating genomic DNA template strand? I said GCUAAGCUGUACGCUA. is this correct or should the U be replaced with T?Thank you. more
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Genetics Biology

11/12/19

Number of nucleotides in 300 amino acids
A protein is 300 amino acids long. Which of the following could be the number of nucleotides in the section of DNA that codes for this protein? (Remember: DNA is double-stranded.)I know the answer... more
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Genetics

11/02/19

Explain mechanism that could cause methylated histone proteins to pack tightly together while causing acetylated histones to pack together very loosely
Can you propose a potential explanation for a mechanism that could cause methylated histone proteins to pack tightly together, inhibiting gene transcription, while causing acetylated histones to... more
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Genetics

10/21/19

If tryptophan were to serve to decrease gene expression, how could it interact with a repressor, and an activator, respectively, to mediate this decrease in trp operon expression?
In this scenario, which of these two transcription factors would be inherently capable of binding the DNA operator, and which needs help from tryptophan?
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Genetics

10/21/19

Why do a Punnett square and dominance/recessiveness not make any sense for bacteria?
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Genetics Biology

10/21/19

What are human genetic traits that are easily observed?
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Genetics Gene Therapy

10/15/19

Gene therapy and mutation question

Dominant mutations can be categorized according to whether they increase or decrease the overall activity of a gene or gene product. Although a loss-of-function mutation (a mutation that... more
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Genetics Anthropology

09/29/19

Mendel’s principle of independent assortment says that the genes controlling different traits are inherited independently of one another. Today, we know that is ONLY true when
a mutation causes abnormal cell division.the traits are both recessive.the traits are located on the same chromosome.the traits are located on different chromosomes.the trait occurs on the X or Y... more
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09/10/19

health issue in pakistan
a lot of health issue in Pakistan silent killer called hypertension, rate of hypertension increase day by day which are the root of cardiovascular disease how we control hypertension?
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07/24/19

How does the polymerase protein know which gene to express?
I am not asking where the DNA or RNA polymerase starts to transcribe a gene. I want to know how does the polymerase know WHICH of thousands of genes on multiple chromsomes to pick at any one... more
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Genetics Microbiology Cells

07/23/19

How does the structure of dna determine the structure of proteins.
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Genetics Botany Seeds

07/12/19

What DNA does a self-fertile plant's seedling have?
Some plants are said to be `self-fertile`. An example is `Prunus tomentosa`. Assuming that no cross-pollination happened with other plants, if a self-fertile plant such as `prunus tomentosa`... more
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Genetics Botany Reproduction

07/12/19

Plants that are siblings: How does this impact pollination?
A friend has two cherry bushes (prunus tomentosa). Prunus tomentosa is said to be partially self-fertile, but benefits from cross-pollination. The two cherry bushes set fruit, and so my friend... more
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07/11/19

Horizontal Gene Transfer?
I understand the different ways bacteria can undergo horizontal gene transfer (transformation, transduction (phages), conjugation (plasmids)). Is there an experimental method to tell how a... more
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07/01/19

Why is mRNA needed in the Protein translation?
The original question was to predict the basic requirements for information storage. Then the discussion moved to why is it necessary to include mRNA in the protein translation process. Why can't... more
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06/30/19

What are the different ways an exon gets spliced?
Exons are produced by more than one mechanism, e.g. splicing out introns after transcription, if I remember correctly. Please list all mechanisms.
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06/29/19

What is immunoprecipitation?
Immunoprecipitation is a very common lab technique used to study cells. What is it, what does it do, and how?
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