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Bingel [31]
4 years ago
9

Need help with this ! Thank you

Biology
2 answers:
Zanzabum4 years ago
6 0
Not sure to good to be true
KIM [24]4 years ago
3 0

Answer:

The first filial generation is Tt, Tt, tt, tt

Explanation:

The gene Tt seperate to yield two alleles "T" and "t"

The gene tt seperate to yield two alleles "t" and "t"

Then, each of the alleles goes into each space on the side and top. On crossing, the space would contain Tt, Tt, tt and tt

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Types of chlorophyll in p680 and p700 and why it matters
Bingel [31]
P700 is photosystem I. It includes chlorophyll a 670, 680, 695, 700, Chlorophyll b, carotenoids. The active reaction center of photosystem is p700, as it absorbs light of a wavelength longer than 680nm.
P680 or the photosystem II has the following pigments: chlorophyll b, 660, 670, 680, 695, 700, phycobilins, and xanthophylls. The active reaction center, in this case, is p680 of chlorophyll a, as it absorbs the light having a wavelength shorter than 680nm.
4 0
3 years ago
Which is not a valid conversion factor? 1m/100cm, 1ml/1cm^3, 1kilometter/1000m, 1m/10mill
kherson [118]
1m/100cm is not a valid conversion factor
7 0
4 years ago
Read 2 more answers
Tallness (T) in snapdragons is dominant to dwarfness (t), and red (R) flower color is dominant to white (r). The heterozygous co
laila [671]

Answer:

E. 6:3:3:2:1:1

Explanation:

Look at the attached picture to see the Punnett square for your problem.

The cross for this is snapdragons who are heterozygous for both traits so the cross would be:

<em>TtRr x TtRr</em>

As you can see in the image, you have the following genotype combinations with the corresponding phenotype combinations:

GENTOTYPE       PHENOTYPE            NUMBER

TTRR                    Tall - Red                        1

TtRR                     Tall - Red                        2

TTRr                     Tall - Pink                       2

TtRr                      Tall - Pink                       4

TTrr                      Tall - White                     1

Ttrr                       Tall - White                     2

ttRR                      Short - Red                     1  

ttRr                       Short - Pink                    2

ttrr                        Short - White                  1

The following phenotype combinations in summary would then be:

Tall - Pink:     6

Tall - Red:      3

Tall - White:   3

Short - Pink:   2

Short - White: 1

Short - Red:   1

So the ratio is 9:3:3:2:1:1

7 0
3 years ago
Describe the basic function of each of the three leaf tissues
ohaa [14]

Answer:

Each plant organ (roots, stems, leaves) contains all three tissue types: Dermal tissue covers and protects the plant, and controls gas exchange and water absorption (in roots). Dermal tissue of the stems and leaves is covered by a waxy cuticle that prevents evaporative water loss.

Explanation:

4 0
3 years ago
Read 2 more answers
Answer please it's urgent​
True [87]

Answer:

b

b

c

b

Explanation:

SEE THE IMAGE FOR SOLUTION

HOPE IT HELPS

HAVE A GREAT DAY

4 0
3 years ago
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