A(An) ____________________ is a diagram that follows the inheritance of a single gene through several generations of a family.
The alleles IA and ____________________ for the ABO blood group are codominant.
A person who has blood type O can receive a blood transfusion only from a person who has blood type ____________________.
People who have sickle cell disease inherited ____________________ copies of the sickle cell allele.
A boy who has hemophilia inherited the disorder from his ____________________.
A female with the disorder _________________________ inherits only one X chromosome and has the genotype XO.
A person can be tested for the allele that causes Huntington's disease because the _________________________ of that allele is different from that of the normal alleles
James Hutton thought that rocks from the sea floor could be pushed up very high to form ____________________.
The geologist ____________________ proposed that past changes in Earth must be explained in terms of events and processes observable today.
According to Lamarck's theory of the inheritance of _________________________, the long legs of certain shore birds could be acquired by frequent wading in water rather than through inheritance.
Although his idea was incorrect, Jean-Baptiste Lamarck was one of the first people to propose a scientific explanation for ____________________.
When a population's birthrate exceeds its death rate, the size of the population ____________________.
Charles Darwin applied Thomas Malthus's thoughts about human population growth to all ____________________.
Certain animal structures that have different functions in different species and develop from the same clump of embryonic cells are called ____________________ structures.
According to Darwin's theory of evolution, ____________________ change over time.
Darwin proposed that natural selection took place as individuals best suited to the ____________________ survived and reproduced.