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solniwko [45]
1 year ago
13

Comprehending worldwide relationships and long-term change involved in natural selection is not easy -- individuals are rarely a

ble to witness such things personally. Various fields of scientific study contribute evidence useful for reconstructing the history of organisms and the relationships among them.
Biology
1 answer:
gavmur [86]1 year ago
7 0

Evolution is the change in heritable traits of biological populations over successive generations.

What is evolution of life?

  • Evolution has produced the variety of life that exists on Earth today. Since life first emerged on Earth between 3.5 and 4 billion years ago, it has continued to develop.
  • At initially, there were just single-celled, primitive species on Earth.
  • The first multicellular organisms appeared much later, and as a result, the diversity of life on Earth significantly increased.
  • Darwin put out a substantial amount of evidence to back up his idea of evolution by natural selection.
  • Evolution is the gradual alteration of a living thing's traits over time. Natural selection is the process of evolution.
  • Through their DNA, organisms transmit their traits from one generation to the next.

Learn more about the Evolution with the help of the given link:

brainly.com/question/2725702

#SPJ4

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The first major step of gene expression and genetic splicing of exons occurs in this specific aqueous environment of the cell. _
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Answer:

Nucleus

Explanation:

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3 years ago
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In hogs, a dominant allele B results in a white belt around the body. At a separate locus, the dominant allele S causes fusion o
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Answer:

D) B/b;S/s (x) b/b;s/s

Explanation:

Parent 1 : belted syndactylous sow

Since it is showing dominant phenotype for both the traits, it can either be BBSS or BbSs

Parent 2: unbelted cloven-hoofed

Since it is showing recessive phenotype for both the traits, it can only have bbss genotype

If we assume parent 1 to be BBSS all the resulting progeny with bbss will have dominant phenotype which is not the case.

If we assume parent 1 to be BbSs:

BbSs X bbss =

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bbSs : unbelted syndactylous

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bbss : unbelted cloven

The progeny will be produced in 1:1:1:1 ratio which means that each of them will make 25% of the population.

Hence, parent 1 will have BbSs genotype and parent 2 will have bbss genotype

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3 years ago
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Here:

Explanation:

High 64F

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High 18C

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Use the scenario to answer the following question. A forest ecosystem is home to mountain lions, coyotes, bobcats and deer. The
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Answer:

A. student 4

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The population of deer increase because with fewer mountain lions, coyotes and bobcats there was less competition within the deer population

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