348 Answered Questions for the topic genetics

01/30/20

I need help with this problem

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
Genetics Math Science Biology

01/29/20

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
Genetics Biology

01/16/20

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

01/14/20

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

01/14/20

Genetics Question for TEAS/HESI/HESI A2 Preparation

Genetics Ela

01/07/20

Genetic varation causes a plants genes to mutate

Ela snow packet and I need help
Genetics Genetics Problem

01/04/20

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
Genetics

12/18/19

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
Genetics

12/12/19

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

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.

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

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
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?
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

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
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

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
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
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
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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