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This question is on meiosis: Variation occurs during meiosis, give the two ways this happens (include the phases where it occurs) (4 marks)

During prophase 1, homologous chromosomes will pair up to form a bivalent, this is where crossing over can occur. Chromatids will twist around each other and will break and reform, resulting in crossing o...

Answered by • Biology tutor

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Explain the importance of televised debates in US presidential elections.

Televised debates in US presidential elections has shaped not only the US political sphere but also that of most western democratic states. Previous to the 1960s, debates tended to be based in party ideol...

Answered by • Government and Politics tutor

5132 Views

Describe the process of a capacitor charging.

At first, there is a potential difference between the two plates of the capacitor equal to the potential difference between the two battery terminals. This causes electrons to build up on one of the plate...

Answered by • Physics tutor

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Do the benefits of protectionist trade policies outweigh the costs?

'Protectionism' is the policy of restricting trade between states through methods such as tariffs and quotas. Tariffs are often used to protect domestic consumers. The diagram linked

Answered by Emilia C. • Economics tutor

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To what degree is the power of the US president limited to 'the power to persuade'?

Richard Neustadt claimed that "presidential power is the power to persuade"; that is, given the limitated constitutional powers the president enjoys, the only way for them to fulfil their aims i...

Answered by Emilia C. • Politics tutor

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