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AlexFokin [52]
3 years ago
14

Match the correct term with the appropriate description. the maximal potential reproductive capacity of an individual in a popul

ation species that only reproduces once and then dies species that reproduce multiple times over their lifespan inherited pattern of resource allocation under the influence of natural selection and other evolutionary forces A. fecundity B. semelparity C. iteroparity D. life history
Biology
1 answer:
Verizon [17]3 years ago
3 0

Answer:

A. fecundity

the maximal potential reproductive capacity of an individual in a population

B. semelparity

species that only reproduces once and then dies

C. iteroparity

species that reproduce multiple times over their lifespan

D. life history

inherited pattern of resource allocation under the influence of natural selection and other evolutionary forces

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Suppose the human trait for hair type is controlled by a simple dominant and recessive relationship at one locus. Curly hair, C,
myrzilka [38]

Answer:

A) The frequency of the dominant allele, C = 0.4376

B) frequency of the heterozygous genotype, Cc = 0.2461

Explanation:

Given -

Curly hair, C, is the dominant allele, and straight hair, c, is the recessive allele

Number of students with curly hair is 37

Thus frequency of genotype "CC"

= q^{2} = \frac{37}{117} \\= 0.3162

Thus, frequency of allele "q"

= \sqrt{0.3162} \\= 0.5623

As per Hardy Weinberg's first  equation-

p+q=1

Substituting the value of q, we get -

p+0.5623=1\\p= 0.4376

As per Hardy Weinberg's second equation -

p^2+q^2+2pq=1\\

Substituting the values of "p" and "q" we get -

0.4376^{2} + 0.3162+2pq = 1\\2pq = 0.2461\\

Hence,

A) The frequency of the dominant allele, C = 0.4376

B) frequency of the heterozygous genotype, Cc = 0.2461

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3 years ago
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Oct4 is an embryonic stem cell specific transcription factor. ESCs grown in petri dishes are fed media that contain basic fibrob
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Answer:

miR-223 inhibits the expression of the fibroblast growth factor (bFGF) gene, and thereby ESCs cells maintain their undifferentiated state .

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Non-coding RNA (ncRNAs) are molecules that regulate gene expression, thereby playing important biological functions in cell differentiation, cell cycle, apoptosis, etc. MicroRNAs (miRNAs) are a type of ncRNAs capable of controlling gene expression patterns by regulating mRNA stability and by suppressing their translation into proteins. It has been shown that miRNAs function by imperfectly base-pairing with the 3′ UTR of target mRNAs (Pillai et al. 2005).

Citation:

R. S. Pillai, S. N. Bhattacharyya, C. G. Artus,   T.  Zoller, et al. (2005). Inhibition of translational initiation by Let-7 MicroRNA in human cells. Science, 309(5740), 1573-1576.

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Answer:

2.are ectotherms

4. lay eggs

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Explanation:

they my corrected answers

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science- CANT SOMEONE HELP ME PLEASE I NEED HELP OF ONLINE SCHOOL. There are two photos they are the same problem just find out
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