For organisms that reproduce sexually, one of the chromosomal pair is different from the other. They are also called:

Sex chromosomes

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Autosomes

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Allosomes

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(a) and (c) above.

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Solution

The correct option is D (a) and (c) above.
In sexually reproducing organisms, each pair of homologous chromosomes or autosomes are similar in shape and organisation. The sex chromosome pair or allosomes are different from each other in terms of shape and structure.

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For organisms that reproduce sexually, one of the chromosomal pair is different from the other. They are also called:

The correct option is D (a) and (c) above.In sexually reproducing organisms, each pair of homologous chromosomes or autosomes are similar in shape and organisation. The sex chromosome pair or allosomes are different from each other in terms of shape and structure.

The correct option is D (a) and (c) above.
In sexually reproducing organisms, each pair of homologous chromosomes or autosomes are similar in shape and organisation. The sex chromosome pair or allosomes are different from each other in terms of shape and structure.