Mendel's observation of the segregation of alleles in gamete formation has its basis in which of the following phases of cell division?
A) prophase I of meiosis
B) anaphase II of meiosis
C) metaphase II of meiosis
D) anaphase I of meiosis
E) anaphase of mitosis
Answer: D
You might also like to view...
A digestive tract is complete if it
a. possesses specialized regions for different digestive tasks. b. produces acids and contains enzymes. c. is a one-way tube with a mouth and an anus. d. is surrounded by muscle. e. uses the same opening for ingestion and egestion.
Testosterone is produced and secreted by
a) spermatogonia b) sustentacular cells c) seminiferous tubules d) interstitial cells
Mutations can also occur within the regulatory regions of genes. Fragile X is an example of a disorder caused by one such mutation that increases the length of the long arm of the X chromosome and ultimately decreases mRNA stability
Which type of regulatory mutation causes Fragile X? A) promoter B) polyadenylation C) splice site D) triplet-repeat expansion E) frameshift
Which of the following is not a function of stems?
a. modified for sexual reproduction b. absorb nutrient minerals c. produce new tissues d. transport water and dissolved nutrient minerals e. support leaves and flowers