Answer:
A. chromosomes
Explanation:
Chromosomes are structures found in the center (nucleus) of cells that carry long pieces of DNA. DNA is the material that contains genes and is the building block of the human body.
Chromosomes come in pairs. Normally, each cell in the human body has 23 pairs of chromosomes (46 chromosomes in all), of which half comes from the mother and half from the father.
The flow of genetic information, or gene expression, in normal cells is: This flow of information is dependent on the genetic code, which defines the relation between the sequence of bases in DNA (or its mRNA transcript) and the sequence of amino acids in a protein.
not really sure whay the question was but???
By meiosis 4 gamets are produced four are functional in males amd only one in female in case of humans
Answer:
False .
atmosphere in early earth was filled with both methane and ammonia
Now days we have nitrogen, oxygen Carbon dioxide and variable gases