Metamorphic rocks that don’t have layers

Biology

2 answers:

sergiy2304 [10]3 years ago

8 0

There are called non-foliated metamorphic rocks.

Anuta_ua [19.1K]3 years ago

3 0

Answer;

-Non-foliated metamorphic rocks

-Metamorphic rocks that don’t have layers are called non-foliated metamorphic rocks.

Explanation;

-Metamorphic rocks are rocks that go through heat and pressure and change form. They can be formed by pressures deep inside the Earth, by tectonic processes such as continental collisions, or when they are heated up by an intrusion of hot molten rock called magma from the Earth's interior.

-Foliated metamorphic rocks have a layered or banded appearance that is produced by exposure to heat and directed pressure, they include rocks such as gneiss, phyllite, schist, and slate.

-On the other hand,Non-foliated metamorphic rocks do not have a layered or banded appearance, they include rocks such as hornfels, marble, quartzite, and novaculite.

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3 years ago

The crossing of a hybrid and a dominant purebred will always result in offspring which are what?

inn [45]

Answer:

Dominant

Explanation:

A hybrid trait is also known as heterozygous, which is the combination of the dominant and recessive alleles of a gene. On the other hand, a purebred is combination of the same two dominant alleles or the same two recessive alleles. For example, in the gene coding for height, allele for tallness (T) is dominant over the allele for shortness (t).

A purebred for this trait will either be "TT" or "tt" while a heterozygous or hybrid will be Tt. Hence, according to this question, crossing of a hybrid (Tt) and a dominant purebred (TT) will always result in offspring which are DOMINANT (see attached image).