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Explain how it is possible for two parents without blue eyes (a recessive trait) to have a child with blue eyes
This would be possible if both parents were carriers of the allele for blue eyes ( heterozygous). This means each would have one blue eye allele and one non blue eye allele and as the non blue eye allele is ...
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Sylvie B.
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Biology tutor
3756 Views
Compare and contrast the structure and properties of phospholipids with those of triglycerides.
Both types of molecule contain glycerol, contain ester bonds and contain the elements carbon, hydrogen and oxygen (but phospholipids also contain phosphorus). The fatty acids contained in both types of molec...
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Biology tutor
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Why do the number of blood cells change in a person with an infection?
The number of white blood cells increase. This is because the white blood cells are responsible for engulfing pathogens and producing antibodies to defend against disease.
LL
Answered by
Louise L.
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Biology tutor
3063 Views
How can plasmids be used to create transgenic plants?
The plasmid is inserted into the vector. The vector infects the plant and the plasmid is incorporated into the plant DNA. The infected cells can then be isolated as they contain the new gene from the plasmid.
LL
Answered by
Louise L.
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Biology tutor
2898 Views
Describe the coordination of a reflex action.
the receptor detects stimulus. The receptor generates an electrical impulse sent to the CNS by neurons (sensory). Chemical messengers (neurotransmitters) carry the electrical impulse across a synapse. Neurot...
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Answered by
Fola O.
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Biology tutor
3693 Views
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