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Nata [24]
3 years ago
6

To revolves means to

Biology
1 answer:
sukhopar [10]3 years ago
3 0

Answer:

To move in a circular or curving course or orbit: The earth revolves around the sun. to turn around or rotate, as on an axis: The wheel revolves slowly.

Explanation:

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A gene has 2 alleles, R & B, List the possible genotypes? I also need help with questions 5, 6, 7 and 8 please help! Pls loo
irakobra [83]

Answer:

5.) The possible genotypes should be: RR RB BB ( if the could for the same proteins)

6.) Frequency of R: 0.5

7.)Frequency of R: 0.5

8.)Frequency of R: 0.375

Explanation:

5.) If R and B code for the different forms of the same protein then they are only a few possible out comes

6.) First calculate the total alleles in population

allele R= 40

Allele B=40

total allele = R+B= 40+40

=80

Now to find allele R frequency is:

(Total R alleles) / (Total allele in pop)

40/80=

0.5

7.)Calculate the total alleles

Alleles from for R

RR= 10

R=10x 2= 20

Multiply the value by 2 because there are 2 R alleles present in

RB=20

R=20

Number doesn't change there is only 1 R allele

Total R=20+20

=40

Alleles For B

BB=10

B=10×2

=20

Same thing here, two B alleles together so multiple by 2

RB=20

B=20

Total B= 20+20

=40

Total alleles in pop add

40+40

=80

Frequency of R

Total of R/Total Alleles

=40/80

=0.5

8.)Repeat the same thing in 7 but use different numbers

RR=10

R=10x2

=20

RB=10

R=10

Total R= 20+10

=30

5 0
3 years ago
In a certain plant, tall stems (t) are dominant to short stems (t). a farmer crosses a short-stemmed plant with a heterozygous l
melisa1 [442]

The answers would be:

Genotype                Phenotype

     Tt                      Tall stemmed

     tt                       Short stemmed

Genotypic ratio : 2:2 or 1:1

Phenotypic ratio: 2:2  or 1:1  

<u />

<u>You can read on to see how this was done:</u>

Tall stems (T) are dominant to short stems (t).

First figure out the genotypes of the parents. We have a short-stemmed plant and a heterozygous long-stemmed plant cross.

For short stem to occur, you need 2 pairs of short alleles. So the first parent would have a genotype of tt.

Heterozygous long-stemmed means that the parent has one of each allele. So the genotype of the second parent would be, Tt.

Now we can make our Punnett Square.

tt x Tt

<u>       t        t  </u>

<u>T |  Tt  |   Tt</u>

<u>t  |   tt  |   tt</u>

Let's list down the genotypes and phenotypic results.

Genotype        no.         Phenotype

     Tt                 2           Tall stemmed

     tt                  2           Short stemmed

So from that we can answer the other questions:

Genotypic ratio : 2:2 or 1:1

Phenotypic ratio: 2:2  or 1:1  

8 0
3 years ago
Transpiration is the process by which _____. A)animals break down food into energy B)plants break down food into energy C)plants
ladessa [460]
Its option D.
I hope it helped u..!!
5 0
3 years ago
Read 2 more answers
The carbon cycle is a process that involves:
OLga [1]

Answer:

All of the above

Explanation:

Carbon atoms are created during the process of photosynthesis. During this process, plants will absorb carbon dioxide and sunlight to create energy, glucose, and other sugars. And for the physical changes of carbon molecules, carbon can undertake multiple changes overtime. Even though this element can be stored in the Earth for millions of years, it can be transferred in seconds from one object to another

5 0
2 years ago
Which scientist developed the first model of the atom that showed the structure of the inside of an atom?
Ksivusya [100]

Answer:

Ernest Rutherford

Explanation:

7 0
2 years ago
Read 2 more answers
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