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Environmental factors can effect the phenotype of an individual for example Siamese cats have black tips of feet tail and ears because they are colder regions of the animal. This was proved experimentally by scientists who attached cold pack to kittens and those area also went black after a...

I'm guessing but these are some adaptations of other cold region plants The growing season is too short (4 months) to allow plants to make enough food by photosynthesis to support a large, woody trunk Some plant in these regions have renewal buds close to the ground where they are protected...

There are several groups working towards developing a vaccine and there are alot of clinical trials going on to see if they work. This is a link to an article about some of the things that are happening its a little old 2007 but it gives you an idea of what is going on Malaria Research...

Doesn't the change in diversity come down to the usage. For example if farmers make tomato plants resistant they may only want those ones and therefore only grow from the GM seeds etc. This then would reduce the diversity of tomatos. However if they still grow a fair proportion of...

If you consider disease in plants there is the whole fruit fly exclusion zone which would be a type of quarantine

I believe its called and insertion error and it means that every amino acid codon after the mutation will be wrong because there is a phase shift or something along those lines

i think muscular dystrophy is sex linked so the chances of having a child with the disease would be 50% of boys and none of the girls if her husband doesn't have it

Basically a pentadactyl limb is an arm or leg with five digits penta = 5 dactyl = digit (fingers, thumbs, toes) It is the typical limb of the mammals, birds, reptiles, and amphibians (ie vertebrates). The discovery of the similarity of this suggests that vertebrates descended from a...

There is also BT Cotton which is grown in Australia A gene is taken from Baccilus Thuringiensis (a bacteria) and is inserted into the cotton plant It maes the plant resistant to Heliothis a moth destoying the crops It apparently cuts down on the amount of chemical pesticides need for...