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3 years ago

Which type of mutation occurs in respective cells and can be passed to offspring

Biology

1 answer:

RoseWind [281]3 years ago

7 0

Germline mutation is the types of the mutation of the respective cell can be passed to the offspring.

<u>Explanation:</u>

During the sexual reproduction somatic mutations occur in the nonreproductive cells, they are passed to the daughter cells during the mitosis but not to be the offsprings.

During the sexual reproduction, a mutation is used in large scale evolution that can be passed to the offsprings.

Its occurs in the cells such as egg and the sperm are called as the germ line mutations. A single sperms line mutation have a light effect in the gene but there is no change in the phenotype.

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A variety of opium poppy (Papaver somniferum L.) having lacerated leaves was crossed with a variety that has normal leaves. All

Ainat [17]

Answer:

The correct answer is-

F1 - AaBb (lacerate)

F2 - A_B_; A_bb; and aaB_ (lacerate)

- aabb (normal)

2. Two genes, with a dominant allele at either or both loci.

Explanation:

The given information gives THE following data:

Dominant: Lancerate leaves - AABB

Recessive: normal leaves - aabb

F1 has - all Lacerated leaves - AaBb

F2 by selfing F1:

AB Ab aB ab

AB AABB AABb AaBB AaBb

Ab AABb AAbb AaBb Aabb

aB AaBB AaBb aaBB aaBb

ab AaBb Aabb aaBb aabb

Here, 15/16 = lacerate which is 0.94 which is equal to the value of lacerate given in the question - 249/265 = 0.94

And normal 1/16 = 0.062 is almost same as 16/265 = 0.060

Thus, the genotypes of -

F1 - AaBb (lacerate)

F2 - A_B_; A_bb; and aaB_ (lacerate)

- aabb (normal)

5 0

3 years ago

What are the physical infrastructures of X-ray crystallographic structural biology?

Ulleksa [173]

Answer:

The physical infrastructure for X-ray crystallography structural biology includes synchrotrons, which are affordable by a nation. There are 47 in the world (lightsources.org). Each synchrotron provides a number of beamlines for experiments, usually including several optimized for macromolecular X-ray crystallography, often some for other structural biology techniques including SAXS (Small-Angle X-Ray Scattering) and CD (Circular Dichroism), and usually some beamlines for material sciences and other non-biological applications.

Explanation:

https://www.creative-biostructure.com/Data-Processing-and-Interpretation-584.htm

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3 years ago

Which of the following describes an effect of particulate matter on health?

MakcuM [25]

Answer:

<em>Exposure to such particles can affect both your lungs and your heart. Numerous scientific studies have linked particle pollution exposure to a variety of problems, including: ... decreased lung function. increased respiratory symptoms, such as irritation of the airways, coughing or difficulty breathing.</em>

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2 years ago

The binding of a neurotransmitter on a postsynaptic cell allows potassium ions to diffuse out of the cell. this would result in

xxMikexx [17]

Answer:

The binding of a neurotransmitter on a postsynaptic cell allows potassium ions to diffuse out of the cell. This would result in a NEGATIVE CELL MEMBRANE POTENTIAL which is an HYPERPOLARIZATION event.

Explanation:

The binding of a neurotransmitter to a postsynaptic cell results in a group of channels in the cell membrane called ligand gated channels open or close in response to that binding.

Hyperpolarization occurs when a ligand gated channel opens and allows potassium ion to flow out of the cell.

During hyperpolarization, potential of the cell membrane experience changes which makes it to become more negative.

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3 years ago

What is the difference between a meteor and a meteorite?

vivado [14]

Answer:

Explanation:

A meteorite is a meteor that impacted the Earth.

4 0

2 years ago

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