Choose the true statement about the role of polyploidization in the evolution of plant genomes.
A. Jumping of transposons is most common many generations after a polyploidization event.
B. Genome downsizing following allopolyploidy usually affects the participating hybrids equally.
C. Genome downsizing following allopolyploidy results mainly from duplicate gene loss.
D. Crop plants rarely show evidence of polyploidization events.
C. Genome downsizing following allopolyploidy results mainly from duplicate gene loss.
You might also like to view...
Which of the following pairs of structure are homologous?
_____ pectoral fin of a shark and front flipper of porpoise. _____ wing of a dragonfly and wing of a hawk. _____ wing of a bluejay and front flipper of a porpoise. _____ forelimb of a dog and forelimb of a horse. _____ wing of a dragonfly and forelimb of a flying squirrel.
The collection of deleterious alleles in a population is called the
A) mutation load. B) mutation bottleneck. C) genetic load. D) genome polymorphism.
The body’s main regulator of the internal
environment is the
a. anterior pituitary gland. b. hypothalamus. c. medulla oblongata. d. cerebellum. e. pons
All New World monkeys are arboreal.
Answer the following statement true (T) or false (F)