How must spindle microtubules attach to chromosomes during prometaphase of meiosis I?
a. Microtubules attach at the centrosomes.
b. Microtubules attach to the chiasma.
c. Spindle microtubules from one pole attach to one kinetochore, and spindle microtubules from the other pole attach to the other kinetochore in a pair of sister chromatids, just like in mitosis.
d. Spindle microtubules from one pole must attach to both kinetochores in a pair of sister chromatids.
e. Microtubules attach using their minus (slow assembling) ends.
Ans: d. Spindle microtubules from one pole must attach to both kinetochores in a pair of sister chromatids.
You might also like to view...
Which of the following is an important factor in the development of dental caries?
A) high salt diet B) high sugar diet C) high acid diet D) low salt diet
Redness, swelling, heat, and pain of an infection are a result of the adaptive immune response. Indicate whether the statement is true or false
Cancer can result from:
A. problems metabolizing oxygen B. abnormal pancreatic functioning, which can alter hormone levels C. the adrenal glands releasing insufficient cortisol D. stress, which releases hormones that suppresses immune functioning
Land plats' multicellular diploid (2N) phase is known as
A. Zygote B. Gamete C. Sporophyte D. Gametophyte