Hey! i need point to answer sorryyyy 2
The x chromosomes are female chromosomes. We all start off as a female in the womb. Slowly through time, thr y chromosome jump in to make them a male and develop genes that woman do not have. For example, their beard gene is not necessary for example.
Answer:
Explanation: Replication is a semiconsecutive process this means that the strands of the DNA molecule separate to form two separate templates which will then combine with nucleotides following the complementarity base sequence to form two new daughter DNA
Answer:
The first line of defence (or outside defence system) includes physical and chemical barriers that are always ready and prepared to defend the body from infection. These include your skin, tears, mucus, cilia, stomach acid, urine flow, 'friendly' bacteria and white blood cells called neutrophils.
Explanation: brainlieast...?