The physical structure that is formed when two chromatids cross over is called a(n) _______
A. synaptonemal complex
B. bivalent
C. karyotype
D. chiasma
D
You might also like to view...
Neuropeptide neurotransmitters ____
a. can act as direct neurotransmitters between neurons and muscle cells b. can act as postsynaptic membrane inhibitors c. directly open K+ channels to inhibit neurons d. can act as pain reducers and initiate euphoria e. directly inhibit euphoria
Applied researchers conduct their work to:
a. solve specific practical problems. b. solve any problem they face. c. answer all questions. d. advance our collective knowledge of living systems. e. prove hypotheses.
Which of the following is associated with echinoderms?
a. water vascular system b. open digestive system c. closed urinary system d. asexual reproductive system
Recessive traits are expressed only in the homozygous state. Indicate whether the statement is true or false