Answer:
Neurons; glia
Explanation: i took the test!
Answer:
21 chromosomes
Explanation:
Meiosis is a type of cell division that produces 4 haploid daughter cells (i.e., gametes) from a single diploid cell. This parental cell undergo one (1) cycle of DNA replication and two (2) cell divisions, thereby, in the case of the Norway rats that have 42 chromosomes, the final number will be 21 (21 x 2= 42)
Answer: by the addition of one phosphate group
Explanation:
A gene in an egg cell inserts two extra base pairs!!
