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aksik [14]
2 years ago
5

What determines whether a person will have dimples or not?

Biology
2 answers:
Usimov [2.4K]2 years ago
7 0

Dimples tend to occur in genetics, and this trait is assumed to be inherited. Dimples are usually considered a dominant genetic trait, which means that one copy of the altered gene in each cell is sufficient to cause dimples.

Dafna11 [192]2 years ago
6 0

It is when their is sort of a dent somewhere on your body, dimples are usually found on the face, and sometimes you may only have a dimple on one side of your face


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Which prediction will most likely describe how friction will affect her findings? The distance for Trial 3 will be greater than
Juliette [100K]

The complete question is :

Charlie is investigating friction. She will use the same amount of force to push two wooden balls across two level surfaces. Then she will record her results in the table below.

Which prediction will most likely describe how friction will affect her findings?

Answer:

The distance for Trial 3 will be greater than the distance for Trial 4 because the difference in surface roughness will affect friction.

Explanation:

The frictional force depends greatly on the roughness of the body surfaces. It acts opposite to the direction of motion when two body surfaces have a relative motion between them.

In the context, equal mount of force is applied to push the wooden balls. So the net force which acts on the balls are :

F' = F - f

Here, F = the force applied

         f = force of friction

And f = μ.N (N = reaction force)

Here μ is the coefficient of friction that depends on the surface roughness. The frictional force will be less when the surfaces are smooth. Thus for the trails 3 and trial 4, the distance for trail 3 would be greater than trail 4 as the surface is polished and would offer less friction.

8 0
2 years ago
Which of the following is the main evidence of life in the early universe
Over [174]
The Earth was first considered habitable when we discovered that it was Microbial organisms that started the process. I would go with D.
7 0
2 years ago
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A scientist is comparing the outer layer of an onion cell to the outer layer of a human skin cell. What is unique about the oute
pickupchik [31]
It contains cellulose.
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3 years ago
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In the experiment determining the parental genotype of plant seedlings from a monohybrid cross, if the dominant color was green
eimsori [14]

Answer:

cc × cc

Explanation:

This question involves a single gene coding for plant seedling. The green allele (C) is dominant over the white allele (c). This means that the green allele will mask the phenotypic expression of the white allele in a heterozygous state (Cc).

In this experiment where plate 1 only contained white seedlings instead of all green, this illustrates that all the offsprings were recessive. This is because the parental genotypes were both recessive for the color trait i.e. cc.

Note that, the recessive trait can only be expressed when the recessive alleles are present in a gene. Therefore, the parental genotype would have been cc × cc, in order to give rise to all offsprings with the recessive trait (white colour).

7 0
2 years ago
mRNA is a complementary copy of a Dna strand. Write in the complementary RNA bases for the DNA template strand below.
Komok [63]

Answer:

UUC AUA GCU CCA ACU GGA UAG

Explanation:

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2 years ago
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