As the Covid-19 pandemic continues around the globe, one area of active research is to identify...

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Biology

As the Covid-19 pandemic continues around the globe, one area ofactive research is to identify a plausible origin of this novelcoronavirus (also called SARS-CoV-2). Early genomic studies suggestthat the evolutionary precursor to SARS-CoV-2 may reside in batssince the bat coronavirus and SARS-CoV-2 have many similarsequences. However, there have been no documented cases of directbat-human transmission, which suggests that an intermediate hostwas likely involved between bats and humans.
There are many different species of bats, and the Chinesehorseshoe bat is just one that may be linked to the Covid-19pandemic. However, much research is still needed to support ordisprove this hypothesis.
The diploid number for a horseshoe bat is 62 (i.e., 2n =62).
Give the number of each of the following that would be presentin a cell in a horseshoe bat during each of the following stages ofeither mitosis or meiosis.
A. Anaphase of mitosis:
I) chromosomes:
ii) chromatids:
iii) DNA molecules:
iv) telomeres:
B. Anaphase of meiosis I
I) chromosomes:
ii) chromatids:
iii) DNA molecules:
iv) telomeres:
C. Anaphase of meiosis II
I) chromosomes:
ii) chromatids:
iii) DNA molecules:
iv) telomeres:

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4.3 Ratings (599 Votes)

Ans A Anaphase of mitosis During anaphase sister chromatids separate that each chromatid is considered a separate individual chromosome So the chromosome number is doubled and chromatid number remains the same Therefore for a horseshoe bat ie 2n 62 we have I chromosomes 62 X 2 124 ii See Answer

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