MCQ
The term 'spermatozoon' was coined by:
- AVon Baer
- BLeeuwenhoek
- CSpemann
- DSwammerdam
Explanation:
The term 'spermatozoon' was coined by Karl Ernst Von Baer in 1827.
The name means 'animal in the seed' or 'seed animals' from the Greek where 'sperma' means 'seed' and 'zoon' means 'living thing'.
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| Column $-I$ | Column $-II$ |
| $(A)$ Dominance | $(i)$ Many genesgovern a single character |
| $(B)$ Codominance | $(ii)$ In a heterozygousorganism only one allele expresses itself |
| $(C)$ Pleiotropy | $(iii)$ In a heterozygousorganism both alleles express themselves fully |
| $(D)$ Polygenic | $(iv)$ A single gene inheritanceinfluences many characters |