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How does the number of genes found on a human genome compare to the number of genes on the genome of a fish or mouse?
Humans have around 20,000-25,000 genes in their genome, similar to that of a mouse. Fish species may have varying numbers of genes in their genome, but generally have a comparable number to humans and mice. There is significant overlap in the number of genes found in human, fish, and mouse genomes.
What is hairpin tail deletion mouse experiment?
Targeting experiments in mouse have demonstrated that the majority of genes are in which has a dominant effect on tail length and is deleted in Thp.
Can cutting of the tails of mice for 100 generations result in a strain of mice with genes for short tails?
The length of the mouse tails are determined by their genes. If a mouse has a 6cm tail, then cutting the tail off will not affect the mouse's genes, you've only modified the mouse on a cosmetic level, not a genetic one. That mouse's genes still contain the 'blueprints' for that 6cm tail, and it is these it will pass on to offspring. It doesn't matter how many generations you do it for, you cannot change their genetic makeup like this. What you need to do is use artificial selection. Because of how genes work, there is variation amongst a species. These traits are what are passed on to offspring. You could take the mice with the shortest tails, and breed them together, then from their offspring, again breed the shortest tails together, and disallow the longer tailed ones from breeding. Eventually the average tail length of that group will become smaller, as more mice are passing on 'small tail' genes.
Where inside a cell did the mistake occur that caused some mouse like animals to get long fingers?
genes
A white mouse whose parents are both produces only brown offspring when mated with a brown mouse The white mouse is most probably what?
The gene for white mice is recessive. If a brown mouse carrying only brown genes mates with a white mouse the offspring will be brown but will carry a white gene. That means when a white mouse is mated to a brown mouse carrying a white gene the mouse could be white or brown.If a brown mouse carrying a white gene and a brown gene was mated to another brown mouse that also had a white gene (because it was born from the union of a white mouse and a brown mouse) it could produce either a brown mouse or a white mouse.2 white mice can only produce a white mouse unless a spontaneous mutation occurs (which is rare but possible)The possible gene combinations from 2 mice carrying both white and brown genes would be :-brown gene + brown gene= brown mouse orwhite gene + brown gene = brown mouse orwhite gene + white gene = white mouse
In mice black hair B is dominant over white b the mouse with the genes BB would have what color hair?
The mouse with the genotype BB would have black hair because the dominant allele B controls for black hair color.
How are most traits inherited the same way mouse fur color is?
Most traits are inherited through a combination of genes from both parents, following Mendelian inheritance patterns. This involves the passing down of specific alleles that determine the expression of a trait, similar to how mouse fur color is inherited from parent mice.
Are polygenic genes dominant genes?
Polygenic genes are usually dominant genes.
Would it be possible to splice animal genes with human genes?
any thing is possible, in 1995 they made a human like ear grow out of a mouse from cow tissue, and they have sheep that grow livers that are 25 percent human. so probably in the next 70 years if the people who have trouble with change dont stop it, but progress is impossible to stop.
How much stronger is a cats smell then people?
The olfactory receptor genes map topographically onto the first relay station, a sheet of modules called glomeruli in the olfactory bulb. Up to 80% of the glomerular layer in the rat can be removed without significant effect on olfactory detection and discrimination (Bisulco and Slotnick 2003). If the remaining 20% of the glomeruli-and the olfactory receptor genes they represent-can subserve the functions of 1,100 genes, it implies that 350 genes in the human are more than enough to smell as well as a mouse. Source : http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=406401
Do dominant genes affect recessive genes?
The dominant genes take over, and then the recessive genes hide away
Are linked genes genes located on the same chromosome?
Yes, linked genes are genes located on the same chromosome.
