Which is a characteristic of a virus, but not a bacterium? a) capsid eliminate b) causes illness c) damages the cells in a body d) transmitted in food and drink

Anormal appearing couple is found to be heterozygous recessive for albinism both have the genotype aa the gene responsible for albinism is recessive to the normal pigment-producing gene what are the changes of their children being albino

This is a biological reaction due to a stimulus. i need this quickly !

Under which of the following circumstances would natural selection not operate on an organism