SOS:
The answers is:
In a dihybrid cross, the F2 will have nine genotypes, but only four phenotypes because the <u><em>Heterozygous</em></u> genes cause the <u><em>Dominant</em></u> traits to mask the <u><em>Recessive</em></u> traits.
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Brain Ischemia which is definetly fatal as the cells of the cerebrum will start to respire anaerobically and eventually the building up of lactic acid will be fatal
a crystal has a regularly repeating arrangement of atoms
Aids is one of the disease that damage little by little the immune system until the human body die.
Lytic viruses signs and symptoms can be felt as soon as 12 hours. More likely it’s about 2-3 days.
