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ivolga24 [154]
2 years ago
8

What is found between stars that looks like smoke?

Biology
2 answers:
kotegsom [21]2 years ago
7 0

Answer:

gases of nitrogen and many more

Sauron [17]2 years ago
6 0
Cosmic dust consists of tiny particles of solid material floating around in the space between the stars. ... It is not the same as the dust you find in your house but more like smoke with small particles varying from collections of just a few molecules to grains of 0.1 mm in size.
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WILL GIVE BRAINLIEST ANSWER AND THANK YOU!!!
zzz [600]
Incomplete please thank and mark brainliest

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3 years ago
(c) Based on the data in Table 1, describe why the dominant alleles for body color and wing shape are the alleles that produce a
Brrunno [24]

Answer:

Check the explanation

Explanation:

Consider the below table of F2 data of phenotypic flies: we can reconstruct the table as seen in the second attached image below:

From the above observations it is clear the Gray body long wings and Ebony body vestigial wings are the parental combinations and that the Gray body vestigial wings and Ebony body long wings are the recombinants.

Also the ratio indicates that Gray body is dominant over ebony body and that long wings is dominant over vestigial wings.

here the genes for the two characters have shown independent assortment which means that the genes are unlinked if located on the same chromosome or are located  on different chromosomes.

Now F1 hybrid= GgLl (G for Grey and L for Long)

Cross between F1 hybrid and true breeding Gray vestigial (GGll)

GgLl x GG ll

Gametes-----------> GL Gl gL gl Gl

        GL                          Gl                      gL                  gl

Gl    GGLl                      GGll                  GgLl               Ggll

   (Gray long)      (Gray vestigial)     (gray Long)     (Gray vestigial)

Therefore the probability of getting the flies with gray body vestigial wings= 2/4= 50%

b) The reason why the students obtained the above given F2 results involving a cross between true breeding Gray body and long wings with true breeding Ebony body and vestigial wings is that the genes for the two charcters asssort independently in F2 generation and that the genes are not linked as:

Parents------------------> GGLL x ggll

Gametes -----------------> GL gl

F1---------------------> GgLl (Gray long but in heterozous condition)

Now GgLl x GgLl

Gametes GL Gl gL gl   GL Gl gL gl

Here gametes assorted independently and hence in F2 generation we got the above results (U can show the results in the form of punnett square.

4 0
3 years ago
4 Which of the following is the importance of<br>mitosis?<br>manakah adalah​
Colt1911 [192]

Answer:

It plays an important part in the development of embryos, and it is important for the growth and development of our bodies as well. Mitosis produces new cells, and replaces cells that are old, lost or damaged. In mitosis a cell divides to form two identical daughter cells.

Explanation:

4 0
2 years ago
Give any two examples for gas pressure​
skelet666 [1.2K]

Answer:

tire and balloons

Explanation:

the tire of an car contains gas pressure

the balloon also contains gas pressure because it contains gas molecules

7 0
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If a pure-bred tall plant is crossed with a pure-bred short plant, the offspring will be:
Dmitry [639]
I would say A. Either tall or short
When Mendel crossed purebred short plants with purebred tall plants, all of the offspring were TALL

The pure-bred tall plant dominated the short
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