Where can evidence of the struggle to survive be observed today?

1 answer:

3 0

The concept of the struggle for existence concerns the competition or battle for resources needed to live. It can refer to human society, or to organisms in nature. The concept is ancient, and the term struggle for existence was in use by the end of the 18th century. From the 17th century onwards the concept was associated with a population exceeding resources.

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For Dalmatian dogs the spotted condition (D) is dominant to the non-spotted condition (d). What are the results of a cross betwe

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If two heterozygous individuals are crossed, the results of the cross are as follows:

SS - spotted condition
2 Ss - Spotted condition
ss - non-spotted condition

<h3>What is an Heterozygous Cross:</h3>

According to this question, the gene coding for spotted condition. The allele for spotted condition (S) is dominant over the non-spotted condition (s).

If two heterozygous Dalmatian dogs are crossed i.e. Ss × Ss, the allele combination for each gamete is as follows:

Ss - S and s
Ss - S and s

The following offsprings will be produced:

SS - spotted condition
2 Ss - Spotted condition
ss - non-spotted condition

Learn more about heterozygous cross at: brainly.com/question/13050360

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