498 Answered Questions for the topic genetics

05/06/19

Do men have a higher genetic variance than women?
I've heard that with the distribution of our genome women have less variation on the bell curve than men. Is there any basis for this? It was my understanding that women have more genetic... more
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Genetics Dna

05/06/19

Does our DNA change during our lives?
As far as I know, DNA is the construction protocol of all organisms on Earth. Does it change when influenced by time and environment (physical laws)? As parents with schizophrenia are more likely... more
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Genetics Dna

05/04/19

Is there any other function of DNA?
We all know that DNA acts as a genetic molecule. Does DNA have any other function in the cell other than being a genetic material and carrier of information?
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Genetics Math Science Biology

05/03/19

Write Complementary Sequence for DNA strand
I have the answer to this problem; however, I cannot seem to figure out why or how to solve it:What is the 5'-3' sequence of the complimentary DNA strand for the following image? The primer... more
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05/01/19

How does DNA still work after recombination?
If you take two computer programs and randomly swapped pieces from each of them. The result is not going to work. It will just be garbage. If you take two novels and randomly swapped chapters the... more
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05/01/19

Are there differences in DNA between humans of today and humans from 2000 years ago?
Are there any significant differences in our genome compared to the genes of our ancestors from 1000-2000 years ago? And if there are significant differences, do they result in significant... more
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Genetics Biology

05/01/19

How are the concepts of chromosomes, chromatin and chromatids related? During which phase of the cell cycle does DNA replicate?
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04/30/19

Are gametes diploid or haploid?
Some sources say that gametes are haploid, some say that they are diploid.I'm confused.
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Genetics

04/28/19

Could we detect GMO foods if there were no samples to compare with?
In my understanding, there’s nothing “special” in how a GMO product is comosed inside compared to a “natural” product. I mean, still same principles apply to both: some DNA that control protein... more
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Genetics Evolution

04/28/19

How can the number of genes increase through evolution?
I am aware of the basics of evolutionary theory, however I don't understand how mutations can add genes over time. Am I correct in thinking that creatures within the same species who mutate to... more
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04/28/19

Do I not have any alleles from my mom's mom & my dad's dad?
So, I have an XX, & I got an X from my mom, & an X from my dad. My dad would have gotten his only X from his mother, & my mother could have gotten the X I got from her father or mother.... more
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Genetics Math Science Biology

04/26/19

Biology Gene Expression Word Problem

What is the amino acid sequence that would be produced given the following sequence of RNA nucleotides in a strand of mRNA?:5’ A C U G G U G C U 3’
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04/26/19

Is there any reason for the variation in mitochondrial DNA size?
As my textbook *An Introduction to Genetic Analysis* points out, yeast mitochondrial DNA has approximately 78 kb of genetic data, while the human mitochondrial DNA contains 17 kb. Is there any... more
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Genetics Math Science Biology

04/26/19

Genetics word problem

In four-o’ clock plants, the allele for red flower color has an effect that is incompletely dominant over the effect of the white color allele. If a cross between two plants produced 18 red, 32... more
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04/26/19

What are senescent cells doing in our bodies?
I'm reading a paper that mentioned the elimination of senescent cells delays aging. I'd like to receive more information about it.The Baker study published in Nature demonstrates that targeted... more
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Genetics Anatomy

04/24/19

What accounts for size variation in breeds of dogs?
My assumption is that dogs vary so much in size because of artificial selection pressures coming from human breeders, but are there genetic loci that roughly determine approximate size? Do other... more
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04/24/19

Write this DNA sequence in 5' to 3' direction
Write DNA nucleotides IN THE 5' TO 3' DIRECTION that would bind to the following segment of DNA:5'    A T T G A C A C C G    3'
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Genetics Science Biology

04/23/19

Forensic Science

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04/21/19

When proteins are not reduced, and insulin continues to bind to insulin receptors. Which of the following is most likely occurring?
Type 2 diabetes is characterized by an inability of the cell to correctly process the hormone insulin. Studies show that insulin continues to be produced by the pancreas, the amount of insulin... more
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Genetics Biology

04/21/19

Can two normal individuals of the same species with sexual reproduction have identical genomes and identical karyotypes? How is the human karyotype usually represented?
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Genetics

04/21/19

Can genes change as we age?
Let's say you're a 23 year old man who impregnates a woman. Will your genes be the same if you were to impregnate another woman at age 35? Will your genes in those 12 years have... more
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Genetics Biology

04/20/19

What is the other name given to sex chromosomes? What is the function of sex chromosomes?
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Genetics

04/20/19

How is haemophilia dominant in human females?
>In human females one X chromosome is inactivated forming a Barr Body. Then how is it that haemophilia is dominant?Suppose a female has one normal X chromosome and one chromosome with the... more
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Genetics Biology

04/20/19

What are heterochromatin and euchromatin?
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Genetics

04/19/19

Does the DNA sequence of a butterfly match that of the caterpillar it used to be?
Just had this thought occur to me. If one were to take a DNA sample(or is it RNA?) of a caterpillar before it became a chrysalis, and attempt to match the sample against one taken after the... more
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