Bio 114 binghamton test 1 - Study guides, Class notes & Summaries

Contrivance - an adaptation that is a result of the modification of a previous ancestor Adaptation - A trait that helps an organism survive and reproduce Exaptation - evolutionary adaptation of an existing structure for a completely new purpose Vestigial Trait - A trait inherited from a common ancestor but is no longer used dipliod cell - cell that has 2 copies of each chromosome, one from egg, one from sperm (46) Hapliod - having a single set of unpaired chromosomes, one egg (23)...

Contrivance an adaptation that is a results of the modification of a previous ancestor Adaptation A trait that helps an organism survive and reproduce Exaptation evolutionary adaptation of an existing structure for a completely new purpose Vestigial Trait A trait inherited from a common ancestor but is no longer used Dipliod cell cell that has 2 copies of each chromosome, one from egg, one from sperm (46) Hapliod having a single set of unpaired chromosomes, one egg (23) or on sperm (23) Ga...

Bio 114 Binghamton Test 1 with complete solutions

hemizygous - Describes an individual who has only one member of a chromosome pair or chromosome segment rather than the usual two. In bees, males are haploid and females are diploid - True Haploid - An organism or cell having only one complete set of chromosomes. Diploid - an organism or cell having two sets of chromosomes or twice the haploid number pleiotropy - when a single gene causes multiple phenotypes or affects multiple traits. gene flow - Movement of alleles into or out o...