Answer:
Your answer would be A. GENES
Explanation:
Answer:
Homologous pairs separate in first round of meiosis or meiosis 1
However,
sister chromatids separate in second round of meiosis or meiosis 2.
Answer:
Mafic -- the formation of the minerals begins anew upon melting.
Explanation:
Mafic minerals set at increased temperatures, which is there in Bowen's Reaction Series. Therefore, rocks collected of mafic minerals are designed at increased temperatures. They are originated in sites deep within the earth and also in tectonic dispersal environments, like the seafloor. Mafic magmas are generally formed at dispersal centers, and signify material which is recently distinguished from the greater mantle. Mutual mafic rocks comprise basalt and gabbro. Mafic rock, in geology, igneous rock that is subjugated by the silicates pyroxene, amphibole, olivine, and mica. These minerals are high in magnesium and ferric oxides, and their presence gives mafic rock its characteristic dark colour.
Stem cells arise from the inner mass of the cell
Signalling factors trigger differentiation in stem cells
Genes that lead to the production of undifferentiated blood cells are activated
Signalling factors cause undifferentiated blood cells to produce red blood cells
Explanation:
Red blood cells are formed in the bone marrow. The precursor to the RBC is stem cell which is undifferentiated and pluripotent. The stem cell gets differentiated to form immature RBCs. Immature RBC then gets divided and becomes mature. Stem cell giving rise to RBC is called Haemoctytoblast. The process of erythropoiesis takes 2 days to form new red blood cells
