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BaLLatris [955]
3 years ago
5

What is the main issue with traditional classification?

Biology
1 answer:
fredd [130]3 years ago
7 0

Answer:

A major problem is that classifying according to overall similarities can be misleading. For example, dolphins could be mis-classifed as fishes because they have fins, but dolphins are mammals, not fishes.

Explanation:

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What might happen if the gametes of a species had
mario62 [17]

Answer:

<em>The chromosome number will not be constant and the person would die.</em>

Explanation:

During gamete formation, half of the chromosomes arise from one parent and the other half from the other parent. This is possible due to the process of meiosis.

If during gamete formation, the number of chromosome does not get reduced, then after fertilization the gamete will have double the number of chromosomes as compared to the parents. Hence, the chromosome number of the person will not remain constant and he/she would die.

3 0
3 years ago
Which allele combination represents a female who is a carrier for an X-linked recessive disorder?
cupoosta [38]
The allele combination for a female carrier is XRXr
6 0
3 years ago
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A scientist conducts a test and finds out that the LD50 of a certain chemical is 20 mg per kilogram. Explain what this means.
antoniya [11.8K]
<span>LD means lethal dose. LD50 is the amount of a material, administered at once to cause the death of half (50%) of a group of test organisms.  A test which shows that LD50 of a certain chemical is 20 mg per kg means that 20 milligrams of that chemical for every 1 kilogram body weight of the test animal when administered in one dose, causes the death of 50% of the test group.</span>




7 0
3 years ago
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Albinism is inherited as autosomal recessive trait. The frequency of the disease in the population equals to 1:20 000. Calculate
prisoha [69]

Answer:

0.0139- frequency of heterozygotes in the population

Explanation:

Let q to the power of 2 represents the frequency of the homozygous recessive (aa) = 1/20000 = 0.00005

This, q = √q^2 = √0.00005 = 0.007

Since p + q = 1

p = 1 - 0.007 = 0.993

Using the formula: p^2 + 2pq + q^2

Where 2pq represents the frequency of the heterozygotes, thing we have

2 x 0.007 x 0.993

= 0.0139

8 0
3 years ago
Please help!What are the roles of a decomposer? Check all that apply.
9966 [12]

Answer:

decomposer decomposes :) so it breaks down the organic matter into simpler compounds. it's very important process because complex compounds that build living organisms are not absorbable for other organisms, thus chemical cycling wouldn't be possible and the whole ecosystem would shut down. dead plants and animals would be everywhere and new organisms couldn't be born/grown. mold breaks down dead organic matter like dead trees. as the result simple compounds come into existence and can be assimilated by plants

4 0
3 years ago
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