Petrified wood is a rock that i have seen
Answer:
Chromatin is a substance within a chromosome consisting of DNA and protein. The DNA carries the cell's genetic instructions. The major proteins in chromatin are histones, which help package the DNA in a compact form that fits in the cell nucleus. Changes in chromatin structure are associated with DNA replication and gene expression.
Explanation:
A single random allele from each pair of parent alleles will be passed on to the gamete.
Answer: B. Any cells of the human body or placenta.
Explanation:
All types of cells in the human body can develop from pluripotent stem cells. Embryonic stem cells are also considered pluripotent.
