Adaptation through natural selection
Nitrogenous bases, double stranded, made of nucleotides, adenine, thymine, cytosine, guanine, A pairs with T, G pairs with C
B is the answer. But the changes would take over time
All of the mentioned types of cells here - blood, muscle and bone cells represent specialized cells which have a different role in your system and with that also differently affect the optimal funcitoning of our body. With any of these lacking, we would witness a loss of bodily function. .
Answer:
A. 1.2
Explanation:
Normally, a human body cell contains 46 chromosomes - 23 inherited from the father and the same number from the mother.
Most of the human DNA, or human genes, are located in the chromosomes.
Each metaphase chromosome consists of:
two sister chromatids containing one DNA molecule each, and since they are formed by replication, these molecules are completely identical in gene content; that is why chromatids are called sister chromatids; two centromeres, one on each chromatid.
