The first one is a: mitosis produces two genetically identical daughter cells.
The second one is b: prophase
The third one is a: interphase
The fourth one is c: metaphase.
Mitosis is the process of body (somatic) cells splitting to form new body cells.
It contains 4 phases:
interphase, when the cell is between splits and the chromatin is bundled up.
prophase, when the chromatin doubles and condenses to chromasomes.
metaphase, when the chromasomes line up along the cell equator,
anaphase, where the double chromasomes split into separate groups,
telophase, when the groups form new nuclear envelopes and the cells split.
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Answer: The type of inheritance shown by the gene that control sickle cell anaemia is autosomal recessive inheritance
Explanation: Autosomal recessive inheritance means that there is mutation in two copies of the gene in a cell. Sickle cell anaemia is a condition caused by a single point mutation in the two beta chains of haemoglobin. Haemoglobin is a protein in the red blood cells responsible for oxygen transport to the cells. The mutation is caused by substitution of valine in place of glutamate at the sixth position of the two beta chains of haemoglobin.
Every individual has two copies of almost every gene, one from the mother, and one from the father. The autosomal recessive inheritance pattern of sickle cell gene means that for an individual to manifest outwardly as sickle cell, the two copies of the gene inherited from the parents are mutated.