Genetic exchange between 2 homologous chromosomes is called
A. synapsis.
B. pleiotropy.
C. crossing over.
D. allelic exchange.
E. independent assortment.
C. crossing over.
Biology & Microbiology
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Which of the following is a characteristic of larval echinoderms?
A) bilateral symmetry B) spiral cleavage C) gastrovascular cavity D) exoskeleton E) lophophore
Biology & Microbiology
What kind of bond holds NaCl molecules together and how does it form?
What will be an ideal response?
Biology & Microbiology
According to the IUCN's data, a smaller percentage of bird species than of coral reef-dwelling fish species are endangered.
Answer the following statement true (T) or false (F)
Biology & Microbiology
The promoter sequence of DNA is located
A. behind the initiator codon. B. ahead of the initiator codon. C. immediately ahead of the gene. D. behind the gene.
Biology & Microbiology