Life on earth (biological concepts from the non-science
comparing the DNA molecule to a twisted ladder, what do the rungs of the ladder
the three major properties of genes that are explained by the structure of DNA?
occurs on the sex chromosomes to determine the sex of a mammal?
a difference between meiosis and mitosis?
5 A black
guinea pig crossed with an albino guinea pig produces 12 black offspring When
the albino is crossed with a second black one, 7 blacks and 5 albinos are
obtained What is the best explanation for this genetic situation?
bacteria may be able to respond to environmental stress by increasing the rate
at which mutations occur during cell division How might this be accomplished?
one recent advance in biotechnology and its practical application