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poizon [28]
3 years ago
12

A cactus can either have long needles () or short needles (). A cactus grower crosses two cacti. The cross is shown in the Punne

tt square below.
What is the phenotype ratio for this cross?
A. One long, three short
OB. Two long, two short
OC. Three long, one short
OD. Four long, zero short

Biology
1 answer:
grin007 [14]3 years ago
8 0

Answer:

D. Four long, zero short.

Explanation:

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<h3>What is non-disjunction?</h3>

Non-disjunction refers to the phenomena where homo-logous chromosomes or sister chromatids are not separated properly during cell division.

Non-disjunction during meiosis II is due to the failure of the sister chromatids to separate during Anaphase II.

In this case, the genotype of the father is 5/8, thereby transmitting alleles number 5 and 8.

Moreover, the genotype of the mother is 6/3, thereby she is able to transmit alleles number 6 and 3.

Learn more about non-disjunction here:

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5 0
3 years ago
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Answer:

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What are the waste product of alcoholic fermentation
shtirl [24]

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4 0
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6 0
3 years ago
Which of the following factors would have the smallest impact on a population’s size?
Inessa05 [86]

The correct answer is option C. the variety of the organisms.

The population size can be defined as the actual number of the individuals present in an organism. The presence of the variety of the organism does not effect the population size as they do not have any effect on the reproduction.

<h3>Reason for the incorrect answers:</h3>

The total number of the organism has a direct impact on the population size of the organism. In case, the total number of the organism is high, the population size would increase at a higher rate, and if the total number of individual are less than the population would not  increase  at a higher rate.

The available water supply and adequate shelter would also effect the size of the population. In case, the adequate shelter and the water supply would be available, then in the presence of the abundant resources, the organism would reproduce at a higher rate and the population size would increase, and the opposite occur in lack of resources, in the absence of adequate resource, the organism reproduce at a slower rate and mortality can be high.

8 0
3 years ago
Read 2 more answers
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