Answer:
A. 4 right handed coil:0, left- handed coil
Explanation:
According to MENDELION CROSS:
We will get NN, Nn,Nn,nn
NN, Nn, Nn are the 3 right handed coiling and nn is left handed coiling.
But in case of shell coiling in snails, maternal inheritance is applied in which offspring is decided only by phenotype.
Maternal traits: Here,female parent has right handed shell coiling. so, all the offsprings will have the same.
Hence, the phenotypic ratio will be:
4 Right handed coil: 0 Left handed coil
Hi!
You can take shorter showers, and fix any leaky faucets!
Hope this helps!
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~Courtney
Answer:
Tectonic plates
Explanation:
Tectonic plates are able to move because the Earth's lithosphere has greater mechanical strength than the underlying asthenosphere. Lateral density variations in the mantle result in convection; that is, the slow creeping motion of Earth's solid mantle.
A cell wall is missing in archbacteria and euacteria
Answer:
In Manchester England in the 1840's there were factories that used coal which coated the trees. This allowed the darker moths to hide better against the trees than the lighter moths which were eaten by birds.
Explanation: