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2 years ago

If an organism has a wide range of genetic variations, a large population, and

1 answer:

5 0

More likely to avoid extinction,
1-if we have a wide range of genetic variation, we are more likely to survive ( take a disease for an example if we all have the same genes for weak immunity then we all die, but if genetic variation exists its more likely that we survive)
2- larger population will mean more people, more people mean greater genetic variation due to sexual reproduction.
3-wide range of geographic choices decreases extinction because if an area is affected by a natural disaster the rest if the areas will survive

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The conditions of the Hardy-Weinberg law are _____ met in nature.

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Somewhat met in the nature

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Leaves are composed of vascular tissue that brings water in so that ground tissue can conduct photosynthesis. Based on this info

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Organism

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2 years ago

Which of the following sentences state a significant conclusion that Gregor Mendel drew from his experiments with pea plants? Tr

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Mendel concluded that the alternative forms of each trait are coded by discrete factors, which were called alleles that combine in pairs to express the trait. Traits are inherited in discrete units and are not the result of "blending."

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After making many crosses that involved different traits -such as plant height, or flower colors-, Mendel observed that, per trait, the F1 only expressed one of the alternative forms, while de other one disappeared.

Mendel named dominant the expressed variant.

Mendel then let these new plants auto pollinate and observed the results in the second generation, F2.

He saw that the variants that had previously disappeared among the F1, reappeared again. Both alternatives for each trait were present in the F2.

Mendel named recessive the second alternative variant.

Mendel explained his results by arguing that discrete factors were responsible for these phenotypes.

These factors should have been present in the F1 in pairs.

One of them came from one parental plant, and the other factor came from the other plant.

These factors separated again during sex cells formation, producing two types of gametes, each with only one factor.

Mendel conclusion about his experiments was that per trait -flower color of plant length-, each plant had a pair of factors -which he named alleles-, and that each factor coded for one of the alternative forms of the traits -white or purple, tall or short-.

He thought that alleles separate -segregate- during the process of gamete formation.

The First Mendel's Law is the first conclusion he took about his experiments and is known as the segregation principle.

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