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natali 33 [55]
3 years ago
10

Compare the benefits of natural change to ecosystems to the disadvantages.

Biology
2 answers:
jok3333 [9.3K]3 years ago
5 0

Answer: if change happens naturally in an ecosystem it will be better evolved to handle it. But at the expense it happens very slowly

Explanation: my answer

Veronika [31]3 years ago
4 0

Answer:

The benefits outweigh the disadvantages. have a greater detrimental effect on the sea than the land. Ecosystems have trouble adjusting to short-term changes.

Explanation:

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Answer:

This question lacks options, the options are:

A. Only recessive alleles are inherited from homozygous parents.

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Explanation:

This question involves a single gene coding for hair length in dogs. The allele for short hair (S) is dominant over the allele for long hair (s). This means that allele 'S' will always mask the phenotypic expression of allele 's' in a heterozygous state.

According to the question, two heterozygous dogs (Ss) were crossed to produce 6 shortt-haired offsprings and 2 long-haired offsprings. An heterozygous organism is that which contains two different alleles for a particular gene i.e. a combination of dominant and recessive alleles.

Based on this, during meiosis or gamete formation, an heterozygous dog (Ss) will produce gametes with the short hair allele (S) and long hair allele (s) in equal proportion i.e. 50-50. When the two gametes containing the recessive alleles (s) produced by each heterozygous parent fuses, an offspring with a recessive phenotype (long hair, ss) is produced.

Hence, a long-hair

phenotype can appear in the offspring of two short-haired dogs because a heterozygous parent has equal chance of passing either the dominant or recessive allele to the offspring.

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