If a gene has only one allele, how many different traits can the allele produce?

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

Nucleic acid certain protein cell membranes certain carbohydrates

Pl which diagram illustrates prophase?