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4 years ago

Explain how a trait might seem to “disappear” for a generation, and then “reappear” in the following generation.

1 answer:

7 0

This state is characteristic for recessive traits. For an individual to express a recessive trait, it must have two recessive alleles (one of two or more alternative forms of a gene) of the responsible gene. But, if it has one recessive allele and one dominant allele, it will not have the trait, but he will be called a carrier. So, it seems like the trait "disappeared" but still it is "carried" in the genome. However, if its offspring has two recessive alleles and express the trait, it will seem like the trait "reappeared".

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Theodor W. Engelmann illuminated a filament of algae with light that passed through a prism, thus exposing different segments of

larisa86 [58]

Answer:

The correct answer will be option-D

Explanation:

The aerotaxis movement experiment performed by the Theodor W. Engelmann played an important role in understanding the photosynthesis.

The experiment was performed on the Spirogyra filamentous algae which were exposed to a different wavelength of light.

The other aerobic bacteria present in the test tubes started moving and accumulated near the two regions of the Spirogyra where they were exposed to the blue and red light of the VIBGYOR.

The region receiving red and blue light produced more oxygen through photosynthesis which indicated that these two wavelengths of the light are more active for photosynthesis than any other wavelengths.

Thus, option-D is the correct answer.

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3 years ago

In living cells, what is the energy carrier that fuels most kinds of cellular work? glucose ATP ADP

zvonat [6]

Your answer will be ATP

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3 years ago

During which season does the rabbit population increase most rapidly

love history [14]

I’m pretty sure it’s winter because most mammals like to hibernate so I think the population is gonna increase lost rapidly in winter or march

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3 years ago

Which Diagram Can Be Used To Show The Population Of Producers, Primary Consumers, And Secondary Consumers In A System

LiRa [457]

The diagram that would be used would be an energy pyramid.

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3 years ago

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Which statement describes the synapse?

Harlamova29_29 [7]

<h2>Answer:-</h2>

$\pink{\bigstar}$ $\large\underline{\underline{\bf\green{Synapse:-}}}$

✯ Synapse is the gap between neurons that ensures that information travels in one direction only.

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Therefore, the 2nd statement [B] is correct.

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<h3> $\pink{\bigstar}$ Additional Information:-</h3>

A Synapse is a small gap at the end of a neuron that allows a signal to pass from one neuron to the next. Synapses are found where nerve cells connect with other nerve cells. Synapses are the key to the brain's function.

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The term synapse was first introduced in 1897 by Michael Foster in his "Textbook of Physiology" and derived from the Greek synapsis, meaning "conjunction."

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3 years ago

Read 2 more answers