biology combined

inheritance,variation and evolution

• asexual- one parent needed eg-bacteria, spores by fungi

sexual- two parents needed, mixing of genetic info. process is meiosis-

• copies of genetic info is made
• cell divides twice
• all gametes are different

DNA

•  made up of two strands forming a double helix, carries genetic code which determines characteristics
• chromosomes are the cells nucleus made up of DNA made…