Question

lamarck developed a hypothesis to explain the inheritance of traits that is often referred to as the inheritance of acquired characters. this idea suggests that
a) as an individual develops, its genotype changes in response to challenges posed by the environment, and it passes on these genotypic changes to offspring
b) as an individual develops, its genotype changes in response to challenges posed by the environment, and it passes on new phenotypic changes to offspring
c) as an embryo develops, its mothers phenotype changes in response to challenges posed by the environment, and the mother passes on these phenotypic changes to offspring
d) as an individual develops, its phenotype changes in response to challenges posed by the environment, and it passes on these phenotypic changes to offspring

Explanation:

Lamarck's hypothesis of inheritance of acquired characters states that as an individual develops, its phenotype changes in response to environmental challenges and these phenotypic changes are passed on to offspring. Genotype refers to the genetic makeup which doesn't change in Lamarck's view for inheritance of acquired traits. Option a wrongly mentions genotype change. Option b has wrong transfer (phenotypic changes should be passed, but the description of genotype change is incorrect). Option c is about mother - embryo which is not the core of Lamarck's general hypothesis for inheritance of acquired characters in all individuals.

Answer:

d) as an individual develops, its phenotype changes in response to challenges posed by the environment, and it passes on these phenotypic changes to offspring