Which of the following scenarios does NOT illustrate a danger bats can pose to miners?

The light micrograph shows dividing cells near the tip of an onion root. Identify a cell in each of the following stages: propha

ad-work [718]

Mitotic division in onion root cells:

Prophase: the emergence of chromatin threads that form chromosomes, the chromosomes are visible and overlap.
Metaphase: chromosomes line up and line up in the middle of the equatorial plane. The centromere of the chromosome appears to have bonds with the kinetochores connected to the spindle threads.
Anaphase: the centromere of the chromosome undergoes division then the chromosomes are pulled by the spindle threads towards the two opposite poles and leave the center of the equator that looks empty.
Telophase: The cytoplasm divides into two identical-looking daughter cells. At the telophase stage, the process of cell division occurs in two parts and has identical properties.

Mitosis is a cell division through the stages of prophase, metaphase, anaphase, and telophase. The purpose of mitosis is for growth and regeneration which results in two daughter cells that are identical to the original parent cell. Mitosis occurs only once and lasts only during somatization.

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7 0

1 year ago

Third, SNP array is considered as low to moderate costs of per sample, despite the significant decrease in costs associated with

Alenkasestr [34]

Development and Applications of a High Throughput Genotyping Tool for Polyploid Crops: Single Nucleotide Polymorphism (SNP) Array.

Polypoid species play significant roles in agriculture and food production. Many crop species are polyploid, such as potato, wheat, strawberry, and sugarcane.

Genotyping has been a daunting task for genetic studies of polyploid crops, which lags far behind the diploid crop species.

Single nucleotide polymorphism (SNP) array is considered to be one of, high-throughput, relatively cost-efficient and automated genotyping approaches.

However, there are significant challenges for SNP identification in complex, polyploid genomes, which has seriously slowed SNP discovery and array development in polyploid species.

Ploidy is a significant factor impacting SNP qualities and validation rates of SNP markers in SNP arrays, which has been proven to be a very important tool for genetic studies and molecular breeding.

This review presents a complete overview of SNP array development and applications in polypoid crops, which will benefit the research in molecular breeding and genetics of crops with complex genomes.

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3 0

2 years ago

A comparison of karyotypes from two carrot plants cloned from the same carrot root tissue should show that all cells of these ca

nadya68 [22]

Answer:

C. Diploid condition

Explanation:

A Karyotype is the pictorial display that shows chromosome arrangement and number in a cell. The Karyotype shows any abnormalities in the nuclear material (chromosomes). In a carrot plant that was cloned from carrot root, the clones should possess the same features as the original plant.

A Karyotype of both plants i.e. clone and the original plant should show that their cells have a diploid number of chromosomes i.e. Two sets of chromosomes. Since a carrot plant is a diploid organism.

5 0

4 years ago

I WILL GIVE BRAINLIEST!!!

Nesterboy [21]

Answer:

25%

Explanation:

When looking at a pedigree remember that:

squares are males
circles are females
the solid colored figure represents an individual affected by a disease
the empty figure represents a healthy individual

Let us assign the symbol X⁺ to represent the dominant allele linked to the X-chromosome and expressing healthiness, and X⁻ to represent the recessive allele expressing the dissease.

According to this pedigree

I1 is a man affected by the disease, YX⁻
I2 is a healthy woman X⁺X⁻
we can see that among the progeny (generation II) there are two individuals affected (a boy and a girl) and one healthy girl. This means that the mother I2 is heterozygous for the trait.

So, having their genotypes we can know what are the probabilities of getting a son with DMD

Parentals) YX⁻ x X⁺X⁻

Gametes) Y X⁻ X⁺ X⁻

Punnett square)

X⁺ X⁻

X⁻ X⁺X⁻ X⁻X⁻

Y X⁺Y X⁻Y

F1)

The probabilities of getting a healthy daughter X⁺X⁻ are 25%
The probabilities of getting a healthy son X⁺Y are 25%
The probabilities of getting a daughter with DMD X⁻X⁻ are 25%
The probabilities of getting a son with DMD X⁻Y are 25%

7 0

3 years ago

Read 2 more answers

What happens when a stationary front passes?

weqwewe [10]

Answer:

_________

Explanation:

Because a stationary front marks the boundary between two air masses, there are often differences in air temperature and wind on opposite sides of it. The weather is often cloudy along a stationary front, and rain or snow often falls, especially if the front is in an area of low atmospheric pressure.

7 0

3 years ago