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Dima020 [189]
3 years ago
13

I’ll mark brainly to the correct answer!

Biology
2 answers:
Vlad1618 [11]3 years ago
8 0
The answer is C. They destroy the ozone layer
DiKsa [7]3 years ago
4 0
The anwsers seem to be letter C
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Is peritoneal dialysis more convenient or haemodialysis???
MaRussiya [10]

Answer:

Explanation:

peritoneal dialysis is more convenient than haemodialysis because it include more lifestyle flexibility and independence and less restriction of diet as compared to haemodialysis

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3 years ago
Meiosis halves the chromosomes number, how is the 2N condition restored? A. mitosis B. it is not restored C. fertilization
cricket20 [7]
The answer is letter C. fertilization.
Meiosis reduces the chromosome number from diploid (2n) to haploid (n).
<span>During fertilization like that of human somatic cells which has 46 number of diploid chromosomes, a haploid sperm cell and a haploid egg cell combine to form a diploid zygote. Each parent contributes 23 number of chromosomes to the offspring which makes the total of 46 chromosomes. Since meiosis halves the chromosome number but the diploid condition is restored during fertilization</span>
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The chemical name for sand is silicon dioxide. The two elements found in a sample of this sand are _____ and _____.
liubo4ka [24]
Silicon and oxygen as the compound name is silicon dioxide
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Read 2 more answers
how are genes and proteins similar to homologous structures when determining evolutionary relationships among species?
Gnom [1K]
Organisms that are closely related have similar genes and proteins.
5 0
3 years ago
ASAP PLS There are lots of big words in genetics! One way to start thinking about the process of meiosis is to ask yourself some
mihalych1998 [28]

Answer:

1) the genes and chromosomes do not double after each generations because parental sex cells are haploid and only contain one set of chromosomes. During fertilization the two cells fuse to form a diploid zygote with two copies of genes and chromosomes. For example a normal human has 46 chromosomes (2 copies of 23 chromosomes) during reproduction gametes which contain 23 chromosomes (haploid) fuse to form an offspring with the correct number of chromosomes ( 23 + 23 = 46).

2) offspring only receive one set of chromosomes from each parent so to maintain the chromosome number of humans. If this did not happen you would not be the same species.

4 0
2 years ago
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