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stiks02 [169]
3 years ago
15

After learning in physical anthropology class that a cleft chin is recessive and that dimples, a free-hanging earlobe, and tongu

e rolling are dominant, your friend tells you over dinner that she is certain she is adopted. What could have caused her to arrive at this conclusion?
Biology
1 answer:
kiruha [24]3 years ago
7 0

Answer:

Based on both of her parents have cleft chins and she does not have it.

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A heterozygous white rabbit is crossed with a black rabbit. What is the probability of getting black rabbit offspring?
makkiz [27]

Answer:

1/2 or 50%

Explanation:

<em>From the illustration, we will logically assume that the white allele is dominant over the black allele. Let us also assume that the white allele is represented by A, the alternate black allele will be a. </em>

The heterozygous white rabbit will have the genotype Aa.

The black rabbit will have the genotype aa.

Crossing the two rabbits together:

               Aa    x    aa

            Aa   Aa   aa   aa

<em>1/2 Aa - white color </em>

<em>1/2 aa - black color</em>

Hence, the probability of getting a black rabbit offspring is 1/2 or 50%

7 0
3 years ago
[GT.02]A scientist kept 1,000 gram samples of radioactive zinc, tungsten, and tin in three different containers. The table below
Nady [450]

Answer:

i would answer C

Explanation:

not sure about this but its not first and second so i think that it mostly 3rd one because it most close that i could count

(sorry if incorrect)

6 0
2 years ago
frebel, h., richter, k. and oxenius, a., how chronic viral infections impact on antigen-specific t-cell responses. eur. j. immun
jekas [21]

The ability of a cell or a body to fight against the infection is called immunity. The T cell and B cell helps the body to fight against the infection.

<h3>What are T cells?</h3>

T cell is also called as T lymphocyte, it is also a important part of immune system. T cell originate in the bone marrow and mature into the thymus.

There are three types of T cells:

  • T helper cell
  • T killer cells
  • T cytotoxic cells.

Helper T cells secrete chemical messengers called cytokines. Regulatory T cells helps to control immune reactions. They are released into blood streams.

Therefore, The ability of a cell or a body to fight against the infection is called immunity. The T cell and B cell helps the body to fight against the infection.

To learn more about T cells, refer to the link:

brainly.com/question/1434048

#SJ2

6 0
2 years ago
What is the correct order of amino acids given the following code: CAG-ACA-AAC
evablogger [386]
I hope you get your answer soon! :)
3 0
2 years ago
Virus can remain inactive within the body for many years......T or F
liq [111]

Answer:

true

Explanation:

while it may stay inactive, it will stay in the body for many years

5 0
3 years ago
Read 2 more answers
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