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AleksandrR [38]
3 years ago
12

Huntington's disease is caused by an autosomal dominant allele. It is a lethal

Biology
1 answer:
Ilia_Sergeevich [38]3 years ago
3 0

The answer would be D. Huntington's disease presents symptoms in humans after many have already reproduced; therefore, they are unaware that they passed on Huntington's disease.

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Diatoms are planktonic unicellular eukaryotes commonly found in oceans and lakes. They contain chloroplasts that have four membr
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Diatoms contain chloroplasts that have four membranes. These four membranes are evidence of secondary endosymbiosis (Option c).

<h3>What is secondary endosymbiosis?</h3>

Secondary endosymbiosis is a hypothesis used to explain why diatom chloroplasts have four membranes.

According to this hypothesis, diatoms received different genes from distinct photosynthetic and non-photosynthetic ancestors.

The acquisition of genes of different ancestors led to diatoms having chloroplasts with four membranes.

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brainly.com/question/2957447

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