All Questions
Tagged with chromosome gene
13 questions
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Gene Mapping - Please explain in Lay terms
Taking an AP bio course, and for some reason I cannot comprehend the mechanism of how one determines the location of alleles on a chromosome. The math is simple and I can memorize it, but its bugging ...
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Do homologous chromosomes have same rates of gene expression in a cell?
I was googling around and found only articles related to XY differences in expression. Can you please clarify if homologous genes/chromosomes have about the same levels of expression in a cell or one ...
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Could someone explain how chromosomes are counted here?
I'm not sure how chromosomes are counted in this picture. I would reason that there would be 8 chromosomes in the diploid cell, but that doesn't seem to be the case. Could someone explain?
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What is linkage?
If two genes are on the same chromosome, are they always “linked”? What if they are more than 50 cM apart? Then they would follow Mendalian pattern of inheritence. So are they still linked?
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Do chromosomes change with time?
An offspring is 23 chromosomes of mother and 23 of father, if one of the mate learns say music after the birth of their first child— will their second offspring have better music skills than former? ...
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Interpretation of picture of human chromosomes
Does this picture show sister chromatids or homologous chromosomes? If they are homologous then what is YY? If they are sister chromatids then do homologous chromosomes ever appear like this (with the ...
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Is there any technique can quickly expand one set of cell chromosomes?
Assume a cell type is very scarce while isolated out and hard to expand in vitro, and I wanna have more of its chromosomes, is there any technique , in vivo or in vitro or ex vitro, any would count, ...
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Do men and women have the same number of genes?
As far as I know, humans have 23 pairs of chromosomes, each one which contains a particular amount of genes. But in the "last" pair, men have a XY pair chromosome, and women have a XX pair chromosome. ...
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Do all chromosomes in one human body contains same genome? [duplicate]
As I understand it, each nucleus of a cell contains multiple chromosomes. Each chromosome has multiple DNAs. Each DNA contains some specific gene sequences. That sequence is called Genome.
My ...
user28169
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Length of anopheles chromosomes?
Where can I find the length of each anopheles chromosome? I've obtained data in which the length of each 2L chromosome for several anopheles is 39101648. I'm looking for an article that gives the ...
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Why does human chromosome 19 have the second highest number of protein-coding genes?
While chromosome 19 only is the 19th largest autosomal chromosome, it contains 1440 protein-coding genes, and thus has the second highest number of protein-coding genes of any human chromosome.
For ...
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What exactly are genes, DNA and chromosomes. How do they relate to each other and what is their function? [closed]
So I am new to biology and I have been reading, and searching the web, but I couldn't understand the whole framework of a cell. So as I understood:
A DNA, is a double chain of Nucleotides (A,T,G,C ...
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What does it mean to "map the human genome"
I know some elementary chemistry and biology. I also think I know what a gene is (it's a sequence of DNA which encodes a particular protein). I also know that on a chromosome there are sections of DNA ...
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