During the sporophyte generation in the life cycle of a fern, the plant releases ________ that germinate and become gametophytes.
A. diploid gametes
B. haploid spores
C. diploid spores
D. haploid gametes
Answer: B
You might also like to view...
The brain is surrounded by a set of membranes called the
(a) pleural membranes. (b) peritoneum. (c) pericardial membranes. (d) meninges.
In order to visualize the fine structure of viruses and cytoskeletal filaments at 10-25 nanometers in diameter the type of microscopy that would be most effective is
A. standard light microscopy. B. phase-contrast light microscopy. C. transmission electron microscopy. D. darkfield light microscopy. E. differential-interference microscopy.
In wolves, gray coat color (G) is dominant to black (g) and brown eyes (B) are dominant to blue (b). The genes that control these traits are located on different chromosomes. The alpha male of the pack has the dominant phenotype for both traits and is heterozygous for both traits. The alpha female has brown eyes and a black coat; she is heterozygous for eye color. The alpha male and the alpha female mate. What proportion of their offspring will have the same phenotype as the mother?
A. 1/16 B. 3/16 C. 3/8 D. 1/2 E. None
Expression of a microRNA complementary in sequence to a gene _____ that gene
a. blocks transcription of b. replicates c. speeds transcription of d. inhibits translation of e. methylates the bases in