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Question:

Chromosomes are distributed randomly during anaphase I. What are the possible chromosome combinations in the two daughter cells? (Use the following abbreviations for the chromosomes. Dark green -> DG; Light  green -> LG; Dark purple-> DP, Light purple -> LP)

How does the random lining up of the homologous chromosome in Metaphase 1 contribute to Genetic Variation?

Answer:

Possible chromosome combinations:

The random arrangement of tetrads is different in every cell going through the meiosis process. Any chromosome of the homologous pair might face any of the poles and then migrate to it. Each of the chromosomes has two possibilities for orientation at the plane. When the new haploid cells are formed, the number of variations in each cell is different and depends on the chromosomes that form that cell.

Explanation:  

1) During meiosis, organisms can produce at least four different  gametes. Anaphase occurs after the prophase where crossing-over has occurred. During anaphase 1, the homologous chromosomes separate, migrating to different poles.

The possible chromosome combinations in the two daughter cells of the exposed example are

2) Crossing-over between homologous chromosomes (prophase 1), the random lining of homologous chromosomes (metaphase 1), and random fertilization are the mechanisms involved in genetic variation.

During metaphase I, homologous pairs together migrate to the equatorial plane, where they randomly aline with their kinetochores facing opposite poles. The random arrangement of tetrads is different in every cell going through the meiosis process. There is no equal alinement between two cells. When tetrads aline in the equatorial plane, there is no predetermined order for each of the homologous chromosomes of each tetrad to face one of the poles and then migrate to it while separating. Any chromosome of the homologous pair might face any of the poles and then migrate to it. Each of the chromosomes has two possibilities for orientation at the plane. When the new haploid cells are formed, the number of variations in each cell is also different and depends on the chromosomes that form that cell. This random order in the equatorial plane is what introduces variation into the gametes. It is almost impossible that two gametes resulting from meiosis will get the same genetic charge.

Possible chromosome combinations:

The random arrangement of tetrads is different in every cell browsing the meiosis process. Any chromosome of the homologous pair might face any of the poles and then migrate to it.

Each of the chromosomes has two possibilities for orientation at the plane. When the new haploid cells are formed, the amount of variations in each cell is different and depends on the chromosomes that form that cell.

During meiosis, organisms can produce a minimum of four different gametes. Anaphase occurs after the prophase where crossing-over has occurred. During anaphase 1, the homologous chromosomes separate, migrating to different poles.

The possible chromosome combinations within the two daughter cells of the exposed example are-

Crossing-over between homologous chromosomes (prophase 1), the random lining of homologous chromosomes (metaphase 1), and random fertilization are the mechanisms involved in genetic variation.

During metaphase I, homologous pairs together migrate to the equatorial plane, where they randomly aline with their kinetochores facing opposite poles.

The random arrangement of tetrads is different in every cell browsing the meiosis process. There is no equal alinement between the two cells.

When tetrads aline within the equatorial plane, there's no predetermined order for every one of the homologous chromosomes of every tetrad to face one among the poles then migrate to it while separating.

Any chromosome of the homologous pair might face any of the poles then migrate thereto. Each of the chromosomes has two possibilities for orientation at the plane.

When the new haploid cells are formed, the amount of variations in each cell is additionally different and depends on the chromosomes that form that cell.

This random order within the equatorial plane is what introduces variation into the gametes. It is almost impossible that two gametes resulting from meiosis will get an equivalent genetic charge.

Therefore,the combinations of two daughter cells LG,LP + DG,DP and LG,DP + DG,LP.

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They are formed from the cooling and solidification of molten magma. that is the primary means of formation.

They could be precipitated out of solution.

They are also formed during metamorphism, under high temperature and pressure, minerals recrystalize and form new minerals.

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brainliest?

5 star?

Answer:

1. igneous

2. sedimentary

3. metamorphic

Explanation:

Toddler - A child 12 to 36 months old

Embryo - An embryo is an early stage of development of a organism

Foetus - An unborn human more than eight weeks after conception

Neonate - A newborn Child or an infant less than four weeks old

Infants - The term "infant" is typically applied to young children under one year of age

Explanation:

An embryo is the early stage of human development in which organs are critical body structures are formed. An embryo is termed a fetus beginning in the 11th week of pregnancy, which is the 9th week of development after fertilization of the egg.

Answer:

mitochondrion

Explanation:

Answer:

5.8 kg*m / s

Explanation:

p=m*v

.145*40 =5.8

Answer: ecosystem diversity

Answer:

Erosion Control Blankets Similar in make and use to fiber rolls, erosion control blankets are also used to slow down water runoff and soil erosion on slopes. These blankets are carefully laid down onto the slope soil, their upper edges buried into the ground to keep them in place

Explanation:

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Answer:

erosion control blankets are similar in the making which is also used to slow down water runoff and soil erosion on slopes

I hope this helps you have a great day!

Answer:

methionine

Explanation:

According to the codon chart (see the attached image), the RNA strand AUG will produce methionine as its translation product during the process of protein sysnthesis.

The table of codons is a chart that shows how genetic codes are translated into their respective amino acids during protein synthesis. The AUG codon also represents a signifier of the beginning of the translation process apart from coding for methionine.  

Answer: Phosphorus

Explanation:

Answer:

The correct match of terms with their descriptions are -

A.  anaerobic respiration

B. pyruvate

C. Fermentation

D. aerobic respiration.

Explanation:

Anaerobic respiration is the process that involves the production of energy from sugar or carbohydrate in absence of oxygen.

Pyruvate is the intermediate product or substance of the various metabolic process including cellular respiration.

The chemical breakdown of the sugars is known as fermentation.  It takes place due to the enzymatic reaction to change in the organic substance.

An aerobic respiration occurs in most eukaryotic organism in order to get energy by the breakdown of sugar or food in presence of the oxygen

Answer:

Enzymes can be reused because they do not permanently bond with substrate

Explanation:

In an area where a river has cut deep into Earth, there are several layers of very different rocks exposed. The oldest layer is most likely the layer below the other layers. So the correct option is A.

The combination of minerals whose properties result from the combination of all the aggregate minerals are called rocks. Rocks are categorized into different types depending on various properties.

Some of them are mineral composition, chemical composition, texture etc. The three categories of rocks are most commonly known.

These are Igneous rocks, Sedimentary rocks and Metamorphic rocks. The Igneous rocks are formed when the lava or magma from the volcanoes are cooled and solidified.

The continuous deposition of materials in water bodies results in the formation of Sedimentary rocks. This process is called sedimentation.

Metamorphic rocks are formed under the surface of earth when materials are deposited and subject to high temperatures and pressure. This process is called metamorphism.

Therefore the correct option is A.

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Answer:

Fullerene nanowhiskers are thin crystalline fibers composed of fullerene molecules, including C60, C70, endohedral, or functionalized fullerenes.

Explanation:

Answer:

The stimulus the thing that stimulates you is the hot pan because you were du.mb and decided to touch the hot pan. The response is you yanking your hand away from the heat because for some reason you thought touching a hot pan was a good idea.

Explanation:

Dude seriously, be conscious.

Answer:

Explanation:

A

Assume that (B) genotype is dominant and (b) genotype is recessive: bb mates with bb. All the offspring will show the recessive trait. thus option A is correct.

A genotype can be defined as the total set of heritable characters carrying genes transferred from parents to offspring; These genes involve in encoding specific features that can be physically expressed in an organism called as phenotype.

The genotypes of the gene can be represented in three form on the basis of allele arrangement such as homozygous dominant (PP), Heterozygous (Pp) and Homozygous recessive (pp).

genotyping is a method is used to determine the genotype of an individual by using biological assay and the techniques used are, DNA fragment analysis, PCR, allele-specific oligonucleotide (ASO) probes, nucleic acid hybridization, DNA microarrays or beads, and DNA sequencing.

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Answer:

autotrophs

Explanation:

please vote me as the brainliest i just need one more

The answer is “Germs cells would undergo only one meiotic division.

Explanation:

I remember learning this in my biology class

Single amino acid changes in p53 caused by TP53 gene mutations make the protein less functional. Without p53, cell proliferation is not efficiently controlled, and DNA damage can build up in cells.

Such cells might continue to divide uncontrollably, which would promote the development of tumors. By stopping the cell cycle to give the repair mechanisms time to restore genomic stability, p53 plays a significant function as a DNA repair facilitator.

Additionally, p53 adopted a variety of roles to directly influence the operation of different DNA-repair mechanisms.

Cancer cells may develop and spread throughout the body as a result of mutations (changes) in the p53 gene.

Therefore, numerous cancer kinds and the genetic disorder Li-Fraumeni syndrome have both been linked to these alterations.

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Answer:

The first principle you need to understand about geologic time is that the laws of nature are always the same. This means that the laws describing how things work are the same today as they were billions of years ago. For example, water freezes at 0°C. This law has always been true and always will be true. Knowing the natural laws helps you think about Earth’s past, because it gives you clues about how things happened very long ago. It means that we can use present-day processes to interpret the past. Imagine you find fossils of sea animals in a rock. The laws of nature say that sea animals must live in the sea. That law has never changed, so the rock must have formed near the sea. The rock may be millions of years old, but the fossils in it are a clue for us today about how it formed.

Now imagine that you find that same rock with fossils of a sea animal in a place that is very dry and nowhere near the sea. How could that be? Remember that the laws of nature never change. Therefore, the fossil means that the rock definitely formed by the sea. This tells you that even though the area is now dry, it must have once been underwater. Clues like this have helped scientists learn that Earth’s surface features have changed many times. Spots that were once covered by warm seas may now be cool and dry. Places that now have tall mountains may have once been low, flat ground. These kinds of changes take place over many millions of years, but they are still slowly going on today. The place where you live right now may look very different in the far future.

The first principle you need to understand about geologic time is that the laws of nature are always the same.

Water, for instance, freezes at 0°C. This rule has held and will continue to hold forever.

Understanding natural principles facilitate historical thinking because it provides hints about how things were very long ago. It implies that we can interpret the past using current methods.

The rock must have formed close to the sea because this law has never changed.

Therefore, The first principle you need to understand about geologic time is that the laws of nature are always the same.

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Answer:  Carbon is right

Explanation:

During photosynthesis carbon dioxide is pulled from the atmosphere and then captured into the tree's molecules and somehow it make the whole tree heavier.

Answer:

TCA CAT CTG

Explanation:

If there is an A, then on the complementary strnad there will be a T (and vice versa) since Adenine (A) always bonds with Thymine (T)

If there is an C, then on the complementary strnad there will be a G (and vice versa) since Cytosine (C) always bonds with Guanine (G)

The sequence of nitrogen bases on the complementary (opposite) strand  is TCA CAT CTG

Complementary strand is either of the two chains that make up a double helix of DNA, with corresponding positions on the two chains being composed of a pair of complementary bases.

The complementary strand for DNA must follow the base pairing and polarity rules. Pairing means that A=T and G=C. Polarity means that the strands have to run in opposite directions.

The upper strand of DNA is the "mRNA-like" strand. The lower strand is the strand that is complementary to the mRNA.

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Answer:

Chloroplast

Explanation:

The light reactions of photosynthesis occur in the thylakoid membranes of the chloroplast.

Answer:

a cell meaning a jail cell?

that would be a rectangular prism so l(w)(h)

length times width times height

Parrots and Dogs are able to generate internal heat to maintain their body temperature in a coid environment. Parrots and Dogs are Endotherms. They generate most of the heat they need internally, when it's cold outside.

Answer:

Yup it is made of neutrons itself composed of both neutrons and glial cells

Answer:

B. Your mass would stay the same.

Explanation:

Answer:

b

Explanation:

your mass would stay the same

Answer:

true because A juvenile, probate, or traffic court

Answer:

False

Explanation:got it right on edg

Answer:

Explanation:

Biogeochemical cycles represent the main system by which the energy of the Sun is transformed into energy of the chemical compounds by living beings and products of their activity. :)

Answer:

Biogeochemical cycles represent the main system by which the energy of the Sun is transformed into energy of the chemical compounds by living beings and products of their activity.