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B1 G,C,DNA
Genes, Chromosomes and DNA B1
Question | Answer |
---|---|
What is a nucleus? | The part of a cell that contains the genetic material in the form of chromosomes. |
What do genes control? | The development of characteristics. |
What is an allele? | A different version of the same gene. |
Give an example of an allele. | Blue or brown eyes characteristics caused by different alleles. |
What are the sizes of things in the nucleus? | DNA is the smallest, then genes, then chromosomes. |
How does DNA make a chromosome? | DNA is coiled up to form the arms of the chromosome. |