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yaroslaw [1]
3 years ago
15

15 POINTS plz help me WILL GIVE BRAINLIEST

Biology
1 answer:
krok68 [10]3 years ago
7 0

Answer:

question five is true and the second one is the second also

Explanation:

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Ryan, an 8-year-old boy, has the habit of swallowing toothpaste. as a result, his teeth have become discolored. it can be said t
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The answer to this question would be: excess fluoride intake

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3 years ago
Which area is less steep? blue area orange area
vladimir1956 [14]

Is there like a chart or something?

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3 years ago
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In peas, yellow seeds (Y) are dominant over green seeds (y). If a yy plant is crossed with a YY plant, what ratio of plants in t
LenKa [72]

The ratio of yellow seed phenotype with green seed color seed offsprings will be 4:0.

Explanation:

Given that:

Dominant trait is Y (yellow seed color)

recessive trait is y (green seeds color)

cross between YY and yy, According Mendelian Genetics dominant trait will be seen in phenotype as it masks the effect of recessive gene.

Punnet square shows that:

    Y      Y

y   Yy    Yy

y   Yy     Yy

All the plants produced will be tall phenotype.

The yellow seed plant plants will be heterozygous i.e Yy

the phenotype ratio is 4:0

The genotype ratio is 4:0

The genotype of the offspring is Yy

phenotype is yellow colored seed plant.

6 0
3 years ago
The electron transport chain is composed primarily of what biomolecule?
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The correct answer is proteins.

The oxidative phosphorylation in the eukaryotes takes place within the mitochondria with the help of electron transport chain. The main objective of the electron transport chain is to accumulate enough amount of protons in the intermembrane space so that there will be a concentration gradient which would help in the production of ATP.  

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2 years ago
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