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artcher [175]
3 years ago
13

Diploid eukaryotic cells have two haploid sets of chromosomes, one contributed by the mother, the other contributed by the fathe

r.A. TrueB. False
Biology
1 answer:
kari74 [83]3 years ago
6 0

Answer:

True.

Explanation:

Diploid eukaryotic cells have two haploid sets of chromosomes, one contributed by the mother, the other contributed by the father because sexually producing organisms like humans normally have diploid set of chromosomes which is contributed each by the two parent. The cells in humans that that are haploid set of chromosomes are the sex cells which is egg and sperm.

The egg and sperm fuse to together through reproduction a d fertilization occur when the sperm fertilizes the egg and the haploid set of chromosomes dude to form diploid set of chromosomes which is the offspring .

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Answer:

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Explanation:

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2 years ago
This is for Fossil Fuels.
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Answer:

<h2>Question no 4 answer</h2>

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<h2>plz mark me as brainliest</h2>
7 0
2 years ago
Choose the true statement(s) that support(s) the endosymbiotic theory. To be marked correct, you'll need to select all true stat
horsena [70]

Answer:

a.Many mitochondrial genes resemble proteobacteria genes, while the genes in the chloroplast resemble genes found in some photosynthetic bacteria.

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d.Mitochondria and chloroplasts replicate by a process similar to mitosis.

Explanation:

Endosymbiotic theory states that mitochondria and chloroplast which are organelles of eukaryotic cells were once independently living micro-organisms but with due course of time eukaryotic cells engulfed them and they become an integral part of these eukaryotic cells.

The resemblance between mitochondrial genes with those of proteobacteria and chloroplast genes with photosynthetic bacteria strongly support endosymbiotic theory. Apart from this, the presence of their own DNA that too circular just like prokaryotic microbes and 70 S ribosomes also support this theory. Also just like prokaryotic cells, before cell division mitochondria and chloroplasts undergo replication by means of a process known as binary fission.

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