Spontaneous mutations that occur in skin or lung cells have little effect on the evolution of a species. Why is this true?

A. Mutations in skin and lung cells lead to more serious mutations in offspring.

B. Mutations in skin and lung cells cannot be passed on to offspring.

C. Mutations in skin and lung cells are usually beneficial to the organism.

D. Mutations in skin and lung cells always lead to the death of the organism.

it supports cell theory.it states that all living cells are made from cells

tsd is temerature dependent sex determination.

tsd: it is a type of environmental sex determination in which the temperature experienced during embryonic/ larval development (ambient temperature for development) determine the sex of the offspring.

crocodile displays the tsd where the ambient temperature of the developing egg determines the individual's sex. for example in the american alligator's eggs, incubation at 33 ºc produces mostly males, while incubation at 30 ºc produces mostly females. so if the american alligator's egg will get the ambient temperature (33 degree celcius)during embryonic development from egg, the offspring will be male and same for the female sex determination.

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation: