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adelina 88 [10]
3 years ago
12

Why do some combinations of chromosomal centric fusions cause problems in meiosis?

Biology
1 answer:
MakcuM [25]3 years ago
6 0

Answer:

Because centric fusions modify the chromosome number

Explanation:

The centric fusion is a translocation that involves acrocentric chromosomes. During cell division, pairs of homologous chromosomes are aligned on the equatorial plane and subsequently they move to opposite poles in the cell.

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What might happen to an enzymes activity if the gene encoding its production was altered by a mutation?
krek1111 [17]

Answer:

The enzyme's activity will be altered

Explanation:

Genes are unit of hereditary that carries genetic information needed for the survival of the cell and organism at large. Genes are expressed via transcription and translation processes to produce a protein, which is responsible for the physical traits we can see (phenotype).

Since ENZYMES that catalyze biochemical reactions in living cells are proteinous in nature i.e. are made up of proteins, this means that they are formed from the expression of genes. Hence, if the gene encoding the production of an enzyme is altered or changed due to mutation, then the activity of the resulting enzyme will also be altered (most times non-functional).

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