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alisha [4.7K]
3 years ago
7

Fern fronds grow from underground stems called sori. true or false

Biology
2 answers:
inna [77]3 years ago
8 0

Answer:

its true

Explanation:

yulyashka [42]3 years ago
7 0
True, This is because they they reproduced itself by spores called Sori so therefore they do grow underground stem
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Cystic fibrosis is most common in individuals of Northern European descent, affecting 1 in 3200 newborns. Assuming that these al
IgorLugansk [536]

Answer:

0.0177

Explanation:

Cystic fibrosis is an autosomal recessive disease, thereby an individual must have both copies of the CFTR mutant alleles to have this disease. The Hardy-Weinberg equilibrium states that p² + 2pq + q² = 1, where p² represents the frequency of the homo-zygous dominant genotype (normal phenotype), q² represents the frequency of the homo-zygous recessive genotype (cystic fibrosis phenotype), and 2pq represents the frequency of the heterozygous genotype (individuals that carry one copy of the CFTR mutant allele). Moreover, under Hardy-Weinberg equilibrium, the sum of the dominant 'p' allele frequency and the recessive 'q' allele frequency is equal to 1. In this case, we can observe that the frequency of the homo-zygous recessive condition for cystic fibrosis (q²) is 1/3200. In consequence, the frequency of the recessive allele for cystic fibrosis can be calculated as follows:

1/3200 = q² (have two CFTR mutant alleles) >>  

q = √ (1/3200) = 1/56.57 >>

- Frequency of the CFTR allele q = 1/56.57 = 0.0177  

- Frequency of the dominant 'normal' allele p = 1 - q = 1 - 0.0177 = 0.9823

4 0
3 years ago
Which hormone is the necessary trigger for ovulation to occur?
timama [110]

Answer:Luteinizing Hormone

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6 0
3 years ago
A student created the data table below using a computer simulation of coal consumption and a human population. What do the data
Vera_Pavlovna [14]

Answer: B

Explanation:

8 0
2 years ago
Is a prokaryotic transcription terminating factor.
goblinko [34]

your answer is

A - Rho factor

3 0
2 years ago
How does the genotype of a bacterium determine its phenotype? Use the terms gene, mRNA, ribosome, and polypeptide in your answer
tensa zangetsu [6.8K]
Typically, the genotype is encoded in the DNA by the gene; this gene in the DNA will then undergo the process of transcription and the information in the gene will be transcripted into mRNA. The mRNA will then undergo the process of translation and the information in the mRNA will  be translated into a polypeptide chiefly by the action of ribosome. Thus, bacteria with different genotypes will have different protein which automatically means that they will have different phenotypes.
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2 years ago
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