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Anna11 [10]
1 year ago
13

A situation in which the coefficient of coincidence is greater than 1.0 would indicate that: A. no double crossovers were found

in the progeny of a testcross, even though some were expected based on probability. B. there were more double crossovers in the progeny than would be expected based on probability. C. the genes involved were actually assorting independently. D. the interference is high and one crossover suppresses the occurrence of a second one. E. double crossovers were found in the progeny of a testcross, but there were fewer of them than would be expected based on probability.
Biology
1 answer:
damaskus [11]1 year ago
3 0

Answer:

B. there were more double crossovers in the progeny than would be expected based on probability

Explanation:

Crossing over or recombination can be defined as the exchange of genetic material between homologous chromosomes during meiosis. Moreover, the coefficient of coincidence is the number of double recombinants found in the progeny. The coefficient of coincidence can be estimated by the following equation:  

Coefficient of coincidence  (COC) = ADRF / EDRF

where ADRF = Actual Double Recombinant Frequency

and  EDRF = Expected Double Recombinant Frequency

In the case above described, ADFR is higher than EDRF, and therefore COC will be higher than 1.

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When a neuron fires and its electric charge travels down the axon, causing neurotransmitters to be released by the neuron's term
marta [7]

Answer:

When a neuron fires and its electric charge travels down the axon, causing neurotransmitters to be released by the neuron's terminal buttons, an <u>action potential</u> occurs.

Explanation:

An action potential, commonly termed as impulse, can be described as messages which are transferred in electrical form. Action potential are caused due to different electric charges. An action potential is generated by  a stimulus which causes transfer of sodium ions into the axons resulting in depolarization of the neuron. To overcome this, potassium ion will enter the cell and an action potential will be generated.

The action potential causes release of the neurotransmitters so that signal messages could be transferred.

6 0
2 years ago
The composition of the secretions of the eccrine glands is ________.metabolic wastes99% water, sodium chloride, trace amounts of
Gekata [30.6K]

Answer:

99% water, sodium chloride, trace amounts of wastes, and vitamin C

Explanation:

Eccrine glands are the main and major sweat glands of our body. These glands are found all over the skin but their density is higher on palm, soles, and head.  

99% of the secretion of the eccrine gland is water and in rest 1% it contains sodium, trace amounts of waste and a high amount of vitamin C is lost by the eccrine gland.  

As the eccrine gland is responsible for sweating so it helps in thermoregulation in the body. As 99% of secretion is water therefore dehydration and water loss is the major worry during excessive sweating.

4 0
2 years ago
The ATP that is generated in glycolysis is produced by substrate-level phosphorylation, a very different mechanism than the one
Gwar [14]

Answer:

The correct statements are a, b and d. The incorrect statements are c and e.

Explanation:

Substrate level phosphorylation signifies the generation of ATP from ADP and a phosphorylated intermediate. On the other hand, in oxidative phosphorylation, the formation of ATP takes place from ADP and Pi, that is, an inorganic phosphate.  

In substrate-level phosphorylation an enzyme is needed for the reaction to take place. In the process, a dissociation of bond takes place between an organic molecule and a phosphate prior to the formation of ATP. In this, one of the substrates is a molecule obtained from the dissociation of glucose.  

In substrate-level phosphorylation, the enzyme taking part in the synthesis of ATP is not required to get attached to the membrane to generate ATP. The phosphate group, which is added to ADP to produce ATP does not come from free inorganic phosphate ions.  

6 0
2 years ago
Read 2 more answers
Part d - relationship of allele behavior to meiosis during which part of meiosis (meiosis i or meiosis ii) do the two alleles of
MAXImum [283]

The answer is alleles detached from one another during anaphase of meiosis I, when the homologous pairs of chromosomes separate. During anaphase I, homologous pairs are drawn apart, and they go in the direction of the opposites of the cell. Meiosis I finishes with the manufacture of two haploid daughter cells for the reason that the homologous pairs of chromosomes have been separated.

8 0
2 years ago
A chemist measuring the viscosity of oils records the instruments and methodology used, so that another scientist will be able t
MariettaO [177]

Answer:

This is an example of replication.

Explanation:

Getting a similar outcome when a trial is rehashed is called replication. Replication is significant in science so researchers can check their work. The consequence of an examination isn't probably going to be very much acknowledged except if the examination is rehashed ordinarily and a similar outcome is constantly acquired.

Hence, This is an example of replication.

8 0
2 years ago
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