Evolution of embryonic pathways probably occurs most commonly through ____
a. macroevolutionary mechanisms
b. microevolutionary mechanisms
c. protein recruitment
d. extinction
e. mutations during embryonic development
ANSWER: c
You might also like to view...
Consider a diploid species where n=5. If an individual of this species was found to have 11 chromosomes, it would be categorized as
A. polyploid. B. aneuploid. C. trisomic. D. monosomic. E. both aneuploid and trisomic.
Which of the following represents a problem with the concept of blending inheritance?
A. Blending inheritance cannot explain the disappearance of a trait several generations after it appeared. B. Blending inheritance leads to an increase in variation over time. C. Blending inheritance allows for rare variants of traits to increase in frequency. D. None of the other answer options is correct.
Monkeys, trees, snakes, moss, birds, sunlight, rain, rocks and bugs together would be considered a(n) ____
a. population b. ecosystem c. biosphere d. community e. organism
Sexual reproduction and meiosis generate genetic variety by
a)random fertilization. b)All answers are correct. c)independent assortment. d)crossing over.