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Ipatiy [6.2K]
3 years ago
6

What occurs during the gametophyte stage?

Biology
2 answers:
tresset_1 [31]3 years ago
8 0

Answer:

its the sexual stage for plants

max2010maxim [7]3 years ago
7 0

Answer:

In the gametophyte phase, which is haploid (having a single set of chromosomes), male and female organs (gametangia) develop and produce eggs and sperm (gametes) through simple mitosis for sexual reproduction. ... When the spore wall cracks under appropriate moist conditions, the fern gametophyte is formed.

Explanation:

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A single change or alteration in the nucleotide base of the genetic material of the cell is called a point mutation.  It can be a deletion, addition or inversion of a single nucleotide base.

In the following, the mutations that occurred are 1. C and 2. B.

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  • <u>Non-sense mutations</u> are caused when the single change in the nucleotide base results in the formation of the stop codon. Thus, lysine to stop codon is a nonsense mutation.

Therefore, silent and nonsense mutations are the correct options.

Learn more about point mutation here:

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