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Bob and Brenda are both heterozygous for a genetically inherited recessive trait. (a) Calculate the probability that they would have a healthy child. Use a genetic diagram to help. (b) Suggest an example of a recessive inherited disorder

Heterozygous means that the parents both carry a dominant allele (A) and a recessive allele (a).

Dominant alleles are always expressed in the phenotype. Recessive alleles are expressed in the pheno...

CM
Answered by Charlotte M. Biology tutor
2920 Views

Neurons do not make direct contact but are separated by synapses. Impulses cross a synapse by means of a neurotransmitter. Describe the process of neurotransmitter release at a synapse. You may use a labelled diagram.

  1. Action potential arrives at axon terminal of presynaptic neuron

  2. Voltage-gated Ca2+ channel opens

  3. ...
CM
Answered by Charlotte M. Biology tutor
2819 Views

How is ATP used in myofibril contraction?

ATP is bound to the myosin head to cause detachment of the head from the actin filament, the ATP is then hydrolysed and as a result the myosin head reattaches to the actin filament. The now hydrolysed ATP...

SW
Answered by Sam W. Biology tutor
2777 Views

What are docstrings and how do I use them to improve my code readability?

Docstrings are strings placed at the beginning of classes, functions, or .py files. They are implemented using three single quotes at the beginning and end. For example:

def Addition(a,b):

'...

CW
Answered by Callum W. Python tutor
2018 Views

Faut-il légaliser le cannabis? Quels sont les avantages et les inconvénients?

Premièrement, il faut qu'on commence en dirant que les drogues ont toujours fait partié de la societé, et qu'elles ne vont pas disparaître dans un avenir très proche. Je crois que beaucoup de gens fument ...

TB
Answered by Tom B. French tutor
2840 Views

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