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3 years ago

Which features of a rock's grains determine its texture? Check all that apply.

Biology

2 answers:

natulia [17]3 years ago

8 0

Answer:

size, shape, and pattern

Explanation:

Sediments (grains) are pieces of soil or rocks that are broken down into small parts, or even dust or dust. When these sediments coalesce, they give rise to sedimentary rocks. Sediments have unique characteristics that allow them to have color, texture, weight and other different characteristics. The characteristics that determine the sediment testure are size, shape, and pattern.

Sediment formation can be caused by water or wind. By water, it can occur by the action of rainwater, rivers and lakes, or by seawater. During the rains, water showers occur on the soil, which can cause small cracks that help to divide the soil into sediment, which also occurs with runoff.

liraira [26]3 years ago

4 0

Formation, shape, and size

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3 years ago

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3 years ago

In beans the pod texture and growth form genes are located on different chromosomes. There are two varieties of beans in a farme

irina1246 [14]

Answer:

a. Genotype in F1 - TtBb

Phenotype in F1 - tough pods, bush-type growth

b. Proportion of F2 that are heterozygous for bush-type growth form = 5/8

c. Proportion of the F2 with tender pods = 1/4

d. Proportion of F2 that are heterozygous for growth form and have tender pods = 1/8

Explanation:

Since the two traits are located on different chromosomes, they will independently assort during gametes formation. T is dominant over t and B is dominant over b.

Two true-breeding varieties were crossed at the beginning of the program:

TTBB x ttbb

All F1 plants will have the genotype TtBb with tough pods and bush-type growth form.

Advancing the cross to F2:

TtBb x TtBb

Progeny

1 TTBB - tough pods, bush-type

2 TTBb - tough pods, bush-type

2 TtBB - tough pods, bush-type

4 TtBb - tough pods, bush-type

1 TTbb - tough pods, climbing-type

2 Ttbb - tough pods, climbing-type

1 ttBB - tender pods, bush-type

2 ttBb - tender pods, bush-type

1 ttbb - tender pods, climbing-type

Proportion of F2 that are heterozygous for bush-type growth form = 10/16 = 5/8

Proportion of the F2 with tender pods = 4/16 = 1/4

Proportion of F2 that are heterozygous for growth form and have tender pods = 2/16 = 1/8

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3 years ago