In Drosophila and other animals, Hox genes encode transcription factors that control development; but in Arabidopsis, a different family of transcription factors is produced with a different set of conserved amino acids
These are encoded by what group of genes?
MADS (box genes)
You might also like to view...
A person who has a constant need to eat may show impaired secretion of or response to
A. growth hormone B. insulin C. thyroid hormone D. leptin E. thyroid-stimulating hormone
The appendages in both fishes and tetrapods develop from buds of ____, the middle embryonic tissue layer
a. ectoderm b. endoderm c. mesoderm d. epiderm e. hypoderm
Which of the following statements about fragile X syndrome is not correct?
a. It results in learning and attention disabilities in males. b. It results in hyperactivity in males. c. The location of the fragile X site is exactly the same in all of an individual's cells. d. It results in the formation of shorter-than-normal sequences of CGG. e. Females are usually heterozygous and are therefore more likely to have a normal phenotype.
In most male animals, the penis or other copulatory organ achieves erection by
A. artery dilation or hemolymph pressure. B. bones or exoskeleton interlocking. C. muscle contraction. D. testicular pressure.