Sirius B is brighter than the sun.
Atomic mass is determined by the number of protons plus the number of neutrons
Because human DNA is so very long (with up to 80 million base pairs in a chromosome) it unzips at multiple places along its length so that the replication process is going on simultaneously and more accurately.
Answer:
Chromosomes can exchange genetic information during a process called "crossing over." This occurs when homologous chromosomes are lined up in pairs. This recombination of maternal and paternal genetic material is a key feature of meiosis.
Explanation:
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