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If the mom has blood type A, her genotype could either be AA or AO. She has at least one copy of A allele. 

If the father has blood type B, his genotype could either be BB or BO. He has at least on...

The reflex arc is essential in producing a quick involuntary response aimed to prevent injury in an individual. In response to a stimulus (such as intense heat/fire), the sensory neuron detects this and t...

Both DNA and RNA a nucleic acids, made up of nucleotides, that encode genetic information. A nucleotide is a molecule composed of phosphate, sugar and a base, and these nucleotides bind to one another to ...

There is VARIATION amongst the population due to naturally occuring MUTATION during DNA replication . The antibiotics act as a SELECTION PRESSURE, so only the bacteria with the allele for antibiotic resis...

1. Thin walls for short diffusion path 2. Narrow, so have a large surface area to volume ratio