Which of the following can cause a mutation in a gene?

Can someone explain speciation to me? I've looked it up, but, it isn't making complete sense to me.

Increased activity in brain areas linked with the control and inhibition of traumatic memories has been linked with A. dissociative identity disorder. B. antisocial personality disorder. C. major depressive disorder. D. anorexia nervosa.

What is it about the grains and legumes that make them most desired as foods?

An albino corn snake is crossed with a normal-colored corn snake. The offspring are all normal-colored. When these first - generation progeny snakes are crossed among themselves, they produce 32 normal-colored snakes and 10 albino snakes. a.

Os mamíferos possuem uma estrutura exclusiva da classe e permite a mãe nutrir o filho enquanto ele se desenvolve no útero. Ela existe em gambás? Explique

Polydactylism is a dominant trait that results in extra fingers and toes in humans. A polydactyl man marries a woman with 10 fingers and toes. They have a child that has a normal number of digits.

Why are some sediments smaller than others

Ethanol is produced during what cycle or fermentation

Explain briefly why there is a limitation on how big a cell can be. Include in your explanation the relationship between a cell's size and its surface area and how this affects what the cell can do.

Which effect is most likely caused by nondisjunction during meiosis? A. an extra chromosome B. an increase in nuclei C. increased survival benefits from traits D. only two types of nitrogenous bases