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miss Akunina [59]
3 years ago
5

What are the steps of the process of evolution?

Biology
1 answer:
prohojiy [21]3 years ago
4 0

Answer:

hereditary variat on selection is made of those genetic variats that well be passed on most effectively to the following generation

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What does free floating DNA mean ?
ivann1987 [24]

Cells with cell chemicals and genetic material having no defined organelles and are all enclosed within a cell wall are called prokaryotes. Organisms in this group are small in size and are mainly bacteria. Ribosomes in these small cells are also small and ‘free floating’.  DNA in prokaryotic cells is in the form of a circular strand and not as a chromosome.

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6 0
3 years ago
On average, what percentage of infants born to 45-year-old mothers have down syndrome
insens350 [35]
Probably 3 %. a mother could give birth to a child with Trisomy 21 at any age because Trisomy 21 is a mutation and mutations happen all the time. Not all mutations are as Down Syndrome. A child born to two homozygous brown eyed parents could be born with blue eyes even if no one in the family had blue eyes. The child would develop blue eyes due to mutation.

Write in on google this same exact question and you'll find other questions too in quizlet that have answers
6 0
3 years ago
Greg decides to enhance his reptile-breeding income by branching out into bearded dragons. He crosses two dragons that are heter
-BARSIC- [3]

Answer:

Pleiotropy

Explanation:

The genetic pattern demonstrated here is pleiotropy. Pleiotropy occurs when a gene or allele controls more than a single trait, the gene for red-stripe also controls the size of the reptiles.

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3 years ago
A geologist finds four layers of sedimentary rock. She determines that no geological events have shifted the layers. She labels
kondaur [170]
The answer is “B is younger than D”
5 0
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Read 2 more answers
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has two recessive genes ............option A

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