Question

11 multiple choice 1 point which of the following is not a design feature of sexual reproduction? decreased susceptibility to disease increased genetic variability decreased genetic variability increased adaptation of the population to environmental stressors 12 multiple choice 1 point cells that cannot repair their dna damage should be signaled to undergo ______ if all of their checkpoints are working properly. meiosis necrosis coalition mitosis apoptosis 13 multiple choice 1 point which of the following types of cell division actually contains two rounds of cell division? oncogenesis cytokinesis mitosis meiosis

Explanation:

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Sexual reproduction involves the combination of genetic material from two parents. This leads to increased genetic variability (as new combinations of genes are formed), which in turn can lead to decreased susceptibility to disease (as a more diverse gene pool may have more resistance mechanisms) and increased adaptation of the population to environmental stressors (as more genetic variation provides more "raw material" for natural selection). Decreased genetic variability is not a feature of sexual reproduction.

Meiosis is a type of cell division for gamete formation. Necrosis is cell death due to injury. Coalition mitosis is not a standard biological process. Apoptosis is programmed cell death. When cells cannot repair DNA damage and checkpoints are working, they are signaled to undergo apoptosis to prevent the propagation of cells with damaged DNA (which could lead to cancer etc.).

Oncogenesis is the development of cancer. Cytokinesis is the division of the cytoplasm. Mitosis is a single - round of cell division (nuclear division followed by cytokinesis) that results in two daughter cells with the same chromosome number as the parent cell. Meiosis has two rounds of cell division (meiosis I and meiosis II) and results in four daughter cells with half the chromosome number of the parent cell.

Answer:

C. decreased genetic variability

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