I would say D and A are your answers :)
Errors can occur when the chromosomes segregate into the gametes during meiosis resulting in egg or sperm with too many or too few chromosomes. As a result, fertilised eggs and the ensuing embryos may have trisomy (an extra chromosome of a particular pair) in each cell or monosomy (one chromosome fewer in each cell).
Answer:
Someone plzz answer this i need the answer to.
Explanation:
An arrangement of genes consisting of an operator, a promoter, and a repressor is an OPERON.
Answer:
B. Mars.
Explanation:
Mars has a surface that is reddish-yellow.