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Biology Biology Difficulty: Medium

Which one of the following cell organelles may play a role in expelling excess water and wastes in case of unicellular organisms? Consider the following statements and choose the correct answer: 1. Since chromosomal aberrations result in a change in the organism, they are also called chromosomal mutation 2. Chromosomal aberrations are of four types deletion, duplication, inversion and translocation 3. If a single break occurs near the end of a chromosome, it results in an intercalary deletion 4. A deficiency involves loss of a chromosome section The valve present between left auricle and left ventricle is ___________ is a mammal who fly? Cytological studies reveal that only those allelomorphs assort independently during meiosis which are located in