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3 years ago

Minerals containing a useful substance are referred to as a. Gems c. Veins b. Ores d. Quartz

Biology

2 answers:

miv72 [106K]3 years ago

5 0

The answer ores that's what i got and it was correct. hope this helped

Kruka [31]3 years ago

4 0

<em>Minerals containing a useful substance are referred to as ores. </em>
Ores are basically minerals with elements that are economically important to us and thus, the ores are mined to extract the useful substances.
More commonly the important elements extracted from these ores are the metals such as copper, iron, lead, zinc, and nickel.
The metals can either be present in the ores as oxides, silicates, sulphides or in their native state.

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Interpret the Punnett square. A Punnett square with four rows and four columns. The first row is labeled big-A, big-B. The secon

Naddika [18.5K]

Answer:

The genotypes shown represent gametes. False

One of the possible offspring genotypes is AABB. True

The parent genotypes are ABAbaBab×ABAbaBab. True

This cross shows two alleles for two traits. True

The gametes are diploid and the offspring are diploid. False

The genotypes shown are correct for a dihybrid cross. True

Explanation:

║ AB ║ Ab ║ aB ║ ab

AB║ABAB ║ ABAb║ABaB║ABab

Ab║ AbAB║ AbAb ║AbaB║Abab

aB║aBAB ║ aBAb ║aBaB║aBab

ab║abAB ║ abAb ║abaB ║abab

Drawing the Punnett square we can deduce that the genotypes shown do not represent gametes because there are more than 2 pairs of chromosomes.

As shown in the second column second row of the Punnett square one of the possible genotypes is AABB, it is distributed different (ABAB) but it is the same possible genotype.

The parents' genotypes are the ones that are written in the first columns and first row, they coincide with the ones in the statement.

A dihybrid cross shows the cross between two genes that have different traits.

The gametes are always haploid and the offspring are diploid because the two gametes come together.

7 0

3 years ago

The offspring of two parents obtains a single copy of every gene from each parent. T/F?

slega [8]

True is the answer................

6 0

3 years ago

Earths diagram label

Illusion [34]

Answer:

What do you want me to label?

Explanation:

4 0

3 years ago

The information in the table shows the possible genotypes resulting from the mating of two heterozygotes aadd. the allele a code

tensa zangetsu [6.8K]

Admitting that the "a" is a capital A for normal pigmentation and "d" is a capital D for dimpled chin, meaning that these are the dominant traits, the fraction expected to be albino with a non-dimpled chin is of 1/16.
When two heterozygous are crossed and two characteristics are being analysed, the offspring quantity that will possess the two recessive traits can be represented by 1/16. This is easily confirmed when a Punnett square is made. Considering that both parents were heterozygous, on both sides of the crossing in the Punnett square, you would have the following alleles' combination: AD, Ad, aD, and ad. The offspring that would be homozygous recessive (aadd) would correspond to only 1/16.

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2 years ago

"the medulla, the pons, and the cerebellum are three main parts of the ______."

MA_775_DIABLO [31]

The medulla, pons, and the cerebellum are three main parts of the hindbrain.

Brain is the centre of the nervous system. It is enclosed in the skull cranium. The primary regions of the brain are the forebrain, midbrain and the hindbrain. The forebrain consists of the cerebrum and diencephalon. The midbrain is a small tubular region between the forebrain and the hindbrain. The hindbrain is made up of the medulla oblongata, pons and cerebellum.

Cerebellum is the second largest portion of the brain which helps in maintaining the body's equillibrium, coordinates muscular movements and body posture. Pons is the structure located in the brain stem which relays impulses from medulla to cerebellum and vice versa. Medulla oblongata is the lowest part of the brain stem controlling involuntary reflexes and has the respiratory and cardiac centres in it controlling respiration and heart beats respectively.

7 0

2 years ago

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