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Ludmilka [50]
3 years ago
6

How do the wrinkles of the brain make the brain more efficient

Biology
2 answers:
Mekhanik [1.2K]3 years ago
7 0
The wrinkles signify that the brain is compressed which makes it take up less space in your head which makes it more eficent I guess.
vodomira [7]3 years ago
7 0
Wrinkles in the brain increase the total surface of the brain while making it take up less space in your head. More surface area in the brain means that there is more neurons! More neurons means that the brain can function faster and process information quicker and take on more information at a time.
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Meiosis reduces chromosome number and rearranges genetic information. Explain how the reduction and rearrangement are accomplish
Alisiya [41]

Answer:

Explanation:

Meiosis is a form of cell division that occurs in the sex cells of organisms. It ensures the reduction of a diploid cell to an haploid cell to allow for the formation of a diploid zygote after fertilization (contribution of both parents haploid sex cells to give a diploid zygote). Thus, this process is very essential and important.

The reduction is accomplished by 2 divisions after the duplication of chromosomes

- first division: separation of homologous pairs of chromosomes (this reduces the total in half)

- second division: separation of sister chromatids of a chromosome.

The rearrangement in meiosis occurs by crossing over/genetic recombination.

This is the exchange of genetic material between homologous pairs of chromosome bringing about a rearrangement and genetic variation

An example of a chromosomal abnormality that arises as a result of defects in this process is the Down Syndrome which is caused by a nondisjunction of the chromosomes 21 pair in a sex cell.

This condition produces offsprings that have some characteristic facial features, short stature etc

6 0
3 years ago
PLEASE HELP!!!!!
Brut [27]

Answer:

hmm thats a hard one

Explanation:

tbh tbh tbht b

3 0
3 years ago
What would happen if the gel was placed with the DNA starting closest to the positive electrode?
svlad2 [7]
The process wouldn't work,and the DNA would goes backward.
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3 years ago
Gina is three years old. She can tell you that every day,before going to bed,she puts her pajamas on brushes her teeth and liste
goldenfox [79]
They illustrate a script :)
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During anaphase, part of the _____________ can be seen attached to the centromere of each sister chromatid as they separate.
kvasek [131]

mitotic spindle is the answer

8 0
2 years ago
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