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pantera1 [17]
3 years ago
10

A large population of animals is split in two by a physical barrier. over time, the genetic makeup of the two resulting populati

ons becomes more and more different until each population becomes a separate species. this is an example of
Biology
1 answer:
True [87]3 years ago
7 0
Genetic mutation and evolving to the point that mating would become extremely hard between the species
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As seen in the venn diagram, meiosis is responsible for the production of haploid gametes. somatic or body cells are 2n cells. t
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This change in chromosome number is the result of B. Fertilization. Both of the individual gametes from the male and female combine together to produce a zygote or developing offspring that is diploid in most cases, and possess both sets of genetic content or chromosomal information, one from each parent.
8 0
3 years ago
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Write the hardy-weinberg equation and list the conditions a population must meet to maintain the hardy weinberg equilibrium. exp
Artyom0805 [142]

1. p^{2} +2pq+q^{2} =1 where in a population:

p - the frequency of the <em>A</em> allele

q - the frequency of the <em>a</em> allele

p^{2} - the frequency of the <em>AA</em> homozygous genotype

q^{2} - the frequency of the <em>aa</em> homozygous genotype

2pq - the frequency of the <em>Aa</em> heterozygous genotype

A population at equilibrium will have the sum of all the alleles at the locus equal to 1.

2. Conditions:

A. The breeding population must be large

B. No natural selection

C. The mating must occur randomly

D. No mutations to cause changes in allelic frequency.

E. No changes in allelic frequency due to immigration or emigration.

3. By comparing the actual genetic structure of a population with what we would expect from a Hardy-Weinberg equilibrium, we can determine how much it deviates from the baseline provided by the mathematical model. Depending on how large the deviation is, one or more of the model's assumptions are being violated. Thus, we can attempt to determine which one.

3 0
3 years ago
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A nurse is discussing the care of a patient with cancer with a nursing student. The patient is about to begin chemotherapy with
dalvyx [7]

Answer:

a."Alkylating agents are toxic to tissues that have rapidly dividing cells."

Explanation:

In the given example the patient is about to begin chemotherapy with a bifunctional alkylating agent.

when the two dna strands are cross linked they will not separate for dna replication which will halt the cell division process so rapidly dividing cells will stop dividing and die

Moreover,Chemotherapeutic agents, also known as antineoplastic agents, are used to prevent the growth of fast-growing cells, usually in the sense of malignancy, directly or indirectly.

Therefore, Chemotherapeutic agents are Alkylating agents that are toxic to tissues that have rapidly dividing cells

So, this statement by student indicates an understanding of his chemotherapeutic agent.

4 0
3 years ago
Is there any great similarity between the muscle structure and muscle arrangement in the cat and humans?
STALIN [3.7K]
The similarity in the arrangement and structure exists mostly with the quads because we, just like cats, need to be able to flex and extend them so we need a lot of strength in them.
6 0
3 years ago
Why is a lagging strand not needed during protein synthesis?
elena55 [62]

Answer:

template 5'->3"

Explanation:

As we all know, with a linear chromosome, on the lagging strand (template 5'->3') of DNA replication, when the last piece of RNA primer at the 3' end is removed, the DNA cannot be extended and this creates the end replication problem.

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3 years ago
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