MS3: 1st Shifting Flashcards
Spermatogenesis occurs in the
A. Lumen of the seminiferous tubules
B. Wall of the seminiferous tubules
C. Zona pellucida
D. Tunica albuginea
B. Wall of the seminiferous tubules
The phase in prophase 1 where recombination of genetic contents occur
A. Diplotene
B. Zygotene
C. Leptotene
D. Pachytene
E. Diakinesis
D. Pachytene
The organelle for producing lytic enzymes gathering inside the acrosome
A. Endoplasmic reticulum
B. Golgi apparatus
C. Mitochondria
D. Lysosomes
B. Golgi apparatus
Most common cause of chromosomal abnormalities
A. Deletion
B. Translocation
C. Inversion
D. Duplication
B. Translocation
An aneuploidy is a chromosomal abnormality in cells where there is either an extra or missing chromosome. Which of the following is an aneuploidy?
A. Down’s syndrome
B. Klinefelter syndrome
C. Turner’s syndrome
D. A and B
E. All of the above
E. All of the above
Spermatogenesis differs from oogenesis in that:
A. Onset is at puberty
B. Four gametes are produced
C. Sperms produced are larger than spermatocytes
D. A and B
E. All of the above
D. A and B
Meiosis II differs from Meiosis I in that:
A. Does not start from interphase
B. Called equational division
C. Occur in somatic cells
D. A and B
E. All of the above
D. A and B
Features of Turner’s syndrome
A. Absent ovaries
B. 45 chromosomes
C. Will not survive and individual dies
D. A and B
E. All of the above
D. A and B
Cells produced are haploid
A. Mitosis
B. Meiosis
C. Both
D. Neither
B. Meiosis
Starts from a single parent cell
A. Mitosis
B. Meiosis
C. Both
D. Neither
C. Both
Purpose is for sexual reproduction
A. Mitosis
B. Meiosis
C. Both
D. Neither
B. Meiosis
For somatic cell proliferation
A. Mitosis
B. Meiosis
C. Both
D. Neither
A. Mitosis
Genetic content does not change
A. Mitosis
B. Meiosis
C. Both
D. Neither
A. Mitosis
TRUE OR FALSE: Chromosomes align at the equator in metaphase
True
TRUE OR FALSE: Homologous chromosomes are separated in meiosis II.
False
