A daughter can inherit an X-linked recessive disorder if
A) her mother is a carrier and her father has the disorder.
B) her mother is affected with the disorder.
C) her father is hemizygous for the disorder and her mother is wild type.
D) her father is a carrier of the disorder.
A) her mother is a carrier and her father has the disorder.
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Charles Darwin proposed a mechanism for descent with modification that stated that organisms of a particular species are adapted to their environment when they possess _____
A) non-heritable traits that enhance their survival in the local environment B) non-heritable traits that enhance their survival and reproductive success in the local environment C) heritable traits that enhance their survival and reproductive success in the local environment D) heritable traits that decrease their survival and reproductive success in the local environment
Filtrate flows from the proximal convoluted tubule directly into the distal convoluted tubule. Indicate whether the statement is true or false
What major adaptations contributed to the success of the angiosperms?
A) Broad leaves B) Flowers and fruits C) Sap containing "antifreeze" D) A and B E) A and C
One generalization of the cell theory is that ____.
A. all cells have a nucleus B. all cells have cell walls C. the cell is the smallest unit that displays the properties of life D. cells can arise from nonliving matter E. all cells are microscopic