MCQ
Which among the following has 23 chromosomes?
- ASpermatogonia.
- BZygote.
- CSecondary oöcyte.
- DOögonia.
(n = 23)
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$(i)$ Fleming, Chain and Florey were awarded the Nobel prize in $1945$
$(ii)$ Antibiotics have greatly improved our capacity to treat deadly diseases
$(iii)$ Penicillin was used to treat American soldiers wounded in World War I