Answer:
A gene is a stretch of DNA or RNA that determines a certain trait. Genes mutate and can take two or more alternative forms; an allele is one of these forms of a gene. For example, the gene for eye color has several variations (alleles) such as an allele for blue eye color or an allele for brown eyes.
Explanation:
Selective selection,since being smaller is an advantage the rabbits got smaller similar to evolution
DNA is located in the nucleus of the cell.
Answer D is correct, Wikipedia says that they move water from roots to stems and leaves.
Answer:
Lymph nodes swell to protect us from illness if they do not swell non fatal illnesses could spell out death
Explanation: