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2 years ago

A woman gave birth to a child with a bent vertebral column. Which is a possible reason?

2 answers:

7 0

"The endoderm layer may have developed abnormally" is the possible reason among the choices given in the question. The correct option among all the options that are given in the question is the third option or the last option. I hope that this is the answer that has actually come to your great help.

velikii [3]2 years ago

4 0

Answer:

The mesoderm layer may have developed abnormally.

Explanation:

During early embryonic development, three germ layers are formed in developing embryo, termed as ectoderm, endoderm, and mesoderm. Germ layer that forms vertebral column in developing embryo is mesoderm.

So, abnormal development of mesoderm would lead to birth of a child with deformed vertebral column. Thus, the correct answer is first option.

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Why do your fingers look like prunes after swimming for a long time?

Alina [70]

Answer:

pruney fingers are caused by shrinking blood vessels. When you soak in water, your nervous system sends a message to your blood vessels to shrink. Your body responds by sending blood away from the area, and the loss of blood volume makes your vessels thinner.

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2 years ago

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Answer:

A: since a graph can only hold one variable

Explanation:

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3 years ago

A population of 100 tigers has 30 with horizontal stripes. Using pedigrees, you ascertain that horizontal striping is caused by

bixtya [17]

Assuming that this population is in Hardy-Weinberg equilibrium, we can sayt that the probability that, given enough time, all tigers in the population will have horizontal stripes is 30% = 0.3.

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Available data:

Population size, N = 100 tigers
Number of Tigers with horizontal stripes = 30
Horizontal stripes is caused by an autosomal recessive mutation.

We need to know the probability that all tigers in the population will have horizontal stripes, which is the recessive phenotype.

We assume that the population is in Hardy-Weinberg equilibrium, so there should be no evolution.

Since the population is in H-W equilibrium, the allelic, genotypic and phenotypic frequencies will remain the same generation after generation.

Now, we will calculate the allelic and genotypic frequencies of horizontal striped individuals in the population.

There are 100 individuals, and only 30 have horizontal stripes.

So, the phenotypic frequency, F(HS) is 30/100 = 0.3 = 30%

Since this is a recessive phenotype, this value equals the genotypic frequency, F(hh) = 30%

Finally, we can get the allelic frequency by taking the square root of this value.

F(hh) = q² = 0.3

f(h) = q = √0.3 = 0.55 = 55%

According to these calcs, the probability for the fixation of the recessive allele is 55%, and the probability that all individuals express the recessive horizontal stripes phenotype is 30%.

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You can learn more about Hardy-Weinberg equilibrium at

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2 years ago

When you describe a person as having attached ear lobes, you are describing their genotype.?

Alik [6]

Having attached earlobes is their phenotype. their genotype are the alleles that code for that