Which of the following statements describe meiosis I in humans?
What will be an ideal response?
Genetic diversity is generated.
Chromosome pairs are separated.
Two haploid cells are produced.
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Lateral meristems
a. are groups of dividing cells. b. are responsible for increasing the width of a stem or root. c. are cambia. d. produce secondary growth only. e. fit all of these descriptions.
As sperm are transported through the ducts system, what secretions are added from which three sets of glands to make
up semen? What will be an ideal response?
Which of the following statements about the notochord is false?
a. It is lost when it is replaced by the vertebral column. b. It develops in chordate embryos. c. It develops from mesodermal tissue. d. It induces formation of the neural plate. e. It grows along the longitudinal axis of the organism
Pseudogenes may be nonfunctional because of
a. nonsense mutations. b. altered signals for transcription initiation. c. mutations that affect RNA splicing. d. missense mutations. e. All of the above.