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Harlamova29_29 [7]
3 years ago
9

Which form of life on land appears in the fossil record before all the others

Biology
1 answer:
algol133 years ago
5 0
The answer is reptiles

hope this helped ask me if you need any more info
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BEST ANSWER GETS BRAINLIEST!!!
Fynjy0 [20]

Answer:more decrease in fish

Explanation:because that penguins source of food most of the time

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3 years ago
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A BbGg x bbgg cross yields a phenotypic ratio of approximately 5 black eyes, green skin : 5 orange eyes, white skin : 1 black ey
kifflom [539]

Answer:

D.Mendel's law of independent assortment is being violated.

Explanation:

According to Mendel in his law of independent assortment, the allele of one gene gets sorted into gametes independently of the allele of another gene. He discovered this when he performed a cross involving two characters i.e. dihybrid cross, which he obtained a F2 phenotypic ratio of 9:3:3:1. This ratio is only possible if each allele of each gene is represented in each gamete i.e. a dominant allele of the first gene is equally likely possible to be contained with a dominant or recessive allele in the second gene.

If this occurs according to the Mendel's law of independent assortment, a total of four possible combinations of gametes should be produced by each parent organism. When this 4 gametes are crossed in a punnet square, a total of 16 offsprings will be possible.

However, in this case, a total of 12 offsprings were produced, depicting that the alleles did not separate independently of one another to produce four possible gametes.

3 0
3 years ago
What kind of trait is one that that appears, even if one is present
SVETLANKA909090 [29]
A trait that is visible is eye color
4 0
3 years ago
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Organize the terms isotonic hypertonic and hypotonic in order form the solution with the lowest concentration of dissolved parti
STatiana [176]

Answer: hypotonic, isotonic, hypertonic

Explanation: The tonicity of a solution depends in part on its concentration of the solute that can not pass the membrane (non penetrating solute) relative to that inside the cell.

Hypotonic solution (hypo means less): contains less concentration of non penetrating solute relative to that inside the cell. Water will enter the cell and the cell will swell and late.

Isotonic solution (Iso means same): it contains thesame solute relative to that in the cell, there will be no net movement of water across the plasma membrane.

Hypertonic solution (hyper means more) Hypertonic solution contain more solute relative to that in the cell. Hence the cell will lose water to its environment and may shrink and die.

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Why is the frequency of X–linked disorders greater in males compared to females?
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The answer is B (example: color blindness)
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