348 Answered Questions for the topic genetics
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Color-blindness is caused by a recessive gene on the X chromosome and of course does not cause death at an early age. What would be the result of these crosses? Include a Punnett Square with your... more
How is depression inherited? Is it a dominant trait, a recessive trait, a problem with the number of chromosomes, or something else?
help with genetics problem
A horse’s coat color is controlled by many different gene pairs. A dominant B will give the horse a black color, and a b will give the horse a chestnut color. However, when a dominant W is... more
A type A woman is the daughter of a type O father and a type A mother. If she has children with a type AB man, what is the probability of a type AB child?
Biology questions I really need help with
Consider that the gene pool of a certain animal population contains just 2 alleles for the genes that controls hair color. If the frequency of the H allele is 0.45 what percent of the population... more
Pathophysiology Question for Healthcare Professionals!
John, a 45 year-old male walks into the clinic complaining of persistent angina that started at 1:00 AM in the morning. He is notably diaphoretic but is still ambulatory and alert. He is... more
Genetics Question for TEAS/HESI/HESI A2 Preparation
Genetic varation causes a plants genes to mutate
Ela snow packet and I need help
Genetics Genetics Problem
in the description,,,
dogs have a special kind of spotted color, dominant in relation to black .in a homozygous state,a gene of black color has a lethal effect (puppies die in an embryonic state).from crossing two... more
dna replication's synchronous qualification
In DNA replication, due to the it's 5'to 3' direction and synchronous qualification, one of the strand(1) can be continuous the other strand(2) needs to DNA ligase, okazaki... more
Complete dominance = If a Red (RR) and White flower (rr) were crossbred, resulting in 100% Rr, what phenotype would been seen according to the rules of COMPLETE dominance?
From a mechanistic perspective, what do primary oocytes do that prevents them from producing 4 gametes per primary oocyte?
For a Eukaryotic animal cell, is it generally more deleterious to be triploid or to have trisomy of a single chromosome?
For a Eukaryotic animal cell, is it generally more deleterious to be triploid or to have trisomy of a single chromosome? Why is triploidy an impossible long-term state for the generations to come... more
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.
Can someone help me analyze the results of this experiment
Restriction Enzyme Digest- Gel Extraction ResultsInsert- BamHI and BglIIVector- BamHI and KpnIWESTERN BLOT
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
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?
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
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
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.
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
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
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
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
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?