Examlex
The ray-finned fishes are believed to have evolved into the amphibians.
Twin Studies
Studies of the heritability of a disorder by comparing concordance rates between monozygotic and dizygotic twins.
Identical Twins
Twins resulting from the splitting of a single fertilized egg, sharing the same genetic material and thus being genetically identical.
Genes
Units of heredity made up of DNA that act as instructions to make molecules called proteins, affecting how organisms inherit traits from their parents.
Gene Sequence
The order of nucleotides in a segment of DNA or RNA, determining genetic information and characteristics in living organisms.
Q1: Similar species occupying slightly different niches in
Q13: Sometimes biologists are alleged to have said
Q22: A fruit is a<br>A) mature ovary.<br>B) microspore.<br>C)
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Q54: Which of the following nucleotide bases is
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Q76: Approximately what percentage of the energy in
Q77: The ultimate source of energy in ecosystems,even
Q77: Why are real bath sponges so soft?<br>A)
Q93: The term "deuterostome" refers to<br>A) having a