What is a double cross in genetics?

Biology

1 answer:

Ksivusya [100]3 years ago

5 0

Double cross in genetics is when which each parent is the product of a single cross.

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Provide information regarding microbial size, shape, motility, and differentiation of the following preparations: spore stain, n

Strike441 [17]

No gram stain cannot be used because influenza virus causes flu and virus has no cell wall which we could stain.

Further explanation

Microbial size

A reasonable standard for estimating organisms is the micrometer which is multiple times littler than a meter (one-millionth of a meter). There are 106 µmeters in one meter, and it is these units that are utilized to quantify the size of microscopic organisms. Normally, microscopic organisms extend from around 1 µm to around 5 µm.

Microbial shape

There are a huge number of microbes, yet every one of them are essentially of three unique shapes. Some are rod like and called bacilli and E. coli is rod shaped. While some are round in shape like cocci e.g Staphylococcus. Third type is spiral like and is called spirilla.

Motility of microbes

The have the ability to swim or crawl frequently and interact with their physical and chemical environments.

Spore staining

It is a technique which is used for differentiation and we dye the cell wall and spores of bacteria.

Simple stain

It is one of very simple methods which involves only a single solution for staining.

Hanging drop slide

It is a technique which used wet mount and organism is dipped in it and then that organism is placed on a slide under microscope for analysis.

Gram stain

In this technique in which an organism is stained. It may be gram positive or gram negative.

Answer details

Subject: Biology