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Murljashka [212]
3 years ago
13

in humans, widow peaks are dominant to straight hairlines and freckles are dominant to no freckles. A woman who is homozygous fo

r her widow's peak and heterozygous for freckles marries a man that has a straight hairline and is also heterozygous for freckles. Determine the phenotypic ratio. What is the probability that they have a child who looks like dad?
Biology
1 answer:
asambeis [7]3 years ago
7 0

Answer: None.

Explanation: Since the mother is homozygous dominant for a widows peak, it would mask the recessive gene of the father’s straight hairline. There is a 100% chance that the child will have a widows peak, and a 75% that the child will have freckles.

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Answer:

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6 0
3 years ago
Which of the bulk minerals has the highest recommended dietary allowance (rda), at 4700 mg?
pogonyaev

Potassium is one of the bulk minerals that have the highest recommended dietary allowance (RDA), at 4700 mg.

<h3>Recommended dietary allowance of Potassium</h3>
  • The most common intracellular cation, potassium, is the most important nutrient and is naturally found in a variety of foods as well as being sold as a dietary supplement.
  • Due to its function in maintaining the volume of intracellular fluid and transmembrane electrochemical gradients, potassium is present in all bodily tissues and is necessary for normal cell function.
  • To maintain its regular intracellular and extracellular quantities, about 90% of the potassium that is consumed is absorbed and utilized.
  • The Recommended Dietary Allowance (RDA), which is the average daily intake of nutrients necessary to cover the needs of virtually all (97–98%) healthy people, is frequently used to create dietary plans for individuals that are nutrient sufficient.
  • The recommended daily amount (RDA) for potassium is 4700 mg, which makes it one of the bulk minerals with the highest RDA.

To learn more about Recommended dietary allowance refer to:

brainly.com/question/11824881

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4 0
2 years ago
Read 2 more answers
Deserts typically have average daytime temperatures of around 100°F, while the average daytime temperature in tropical
Zanzabum

Answer:e

Explanation:it its different because when a desert ends up cooling down than you have to deal with cold temperatures sorry if i spelled that wrong also rainforest keep that heat in because of the trees so the desert doesn"t have any trees not enough to keep the heat in so the heat gets out and the temperatures end up cooling down hence why the rainforest has a higher temp.

5 0
3 years ago
Write a message which must be put on the alcoholic drinks to alert pregnant women.
marin [14]

Answer:

Warning, it is advised if pregnant that you do not consume alcohol as it can cause discomfort or risk of injuring the foetus.

Explanation:

5 0
3 years ago
1. A mutation is a ___ in the nucleotide sequence of a gene within the DNA molecule.
kari74 [83]
1. A mutation is a "Change" <span>in the nucleotide sequence of a gene within the DNA molecule.

2.</span><span>Chemicals that cause a mutation are known as "Mutagens" 

Hope this helps!</span>
4 0
3 years ago
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