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Mrrafil [7]
3 years ago
6

A teacher shows students a string of beads as a model of a chromosomes and genes. What do the beads represent? Explain

Biology
1 answer:
Elza [17]3 years ago
3 0

Answer:

If the string of beads refer to a chromosome, then each bead is a gene responsible for one or more traits.

If the string of beads refer to a gene, then each bead refers to the sequence of nitrogenous bases in one strand of the gene.

Explanation:

A chromosome is composed of several genes.

A gene is composed of several nucleotides each containing a nitrogenous base. A gene is primarily made functional by the sequence of nitrogenous bases in its structure. If AGATTCA is a hypothetical sequence of the nitrogenous bases on one strand of a hypothetical gene then TCTAAGT will be the sequence of nitrogenous bases on the complementary strand of that particular gene.

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At what point during meiosis do homologous chromosomes pair up?
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Which geological feature is most common at oceanic-continental convergent boundaries?
alex41 [277]

Trenches are geological feature is most common at oceanic-continental convergent boundaries.

Explanation:

Usually, the oceanic plate, because it is denser, becomes subducted underneath the continental plate. The enormous stress of the two colliding plates causes the plates to warp abit downwards along the boundary causing a trench to form that stretches the boundary.

As the oceanic plate gets subducted and ‘dives’ into the mantle, it begins to melt into magma. Usually, due to the enormous stress along the boundary, fissures develop on teh continental plate along teh boundary. The magma rises through these fissures and erupts at the surface. Several mountains form long the boundary forming another signature geological feature of convergent boundary which is volcanic arc mountains.

Learn More:

For more on geological features of tectonic plate boundaries check out;

brainly.com/question/11726099

brainly.com/question/2011799

#LearnWithBrainly

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