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umka2103 [35]
3 years ago
11

Match the characteristics to the correct phylum

Biology
1 answer:
Vika [28.1K]3 years ago
3 0

The following are the characteristics of Cnidaria:  

1. The organisms have specialized stinging cells known as cnidocytes.  

2. Two types of body plans exist, that is, polyp and medusa.  

3. The phenomenon of alternation of generation is observed.  

The following are the characteristics of Porifera:  

1. The organisms lack symmetry.  

2. The adult forms are sessile.  

3. The organisms obtain food by filtering water.  


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Why might polygenic inheritance result in a continuum of phenotypes that overlap?
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Polygenic inheritance result in a continuum of phenotypes because the genes that are involved can be considered to be co-dominant traits that fall into discrete categories are called continuous traits false.

<h3>What is Polygenic Inheritance?</h3>

A single inherited phenotypic trait that is governed by two or more separate genes is referred to as polygenic inheritance, often referred to as quantitative inheritance.

In a system that is distinct from Mendelian Genetics, wherein monogenic features are determined by the various alleles of a single gene, polygenetic traits may exhibit a variety of potential phenotypes, determined by a number of different genes and the interactions between them.

In contrast to Mendelian genetics, when one allele completely dominates or hides another, features generated by polygenic inheritance are not only the result of dominance and recessively. Instead, polygenic features show incomplete dominance, resulting in a combination of the phenotypes seen in the parents in the offspring.

Learn more about Inheritance with the help of the given link:

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8 0
1 year ago
Most scientists describe biodiversity in terms of the number of species that have been discovered and described in scientific jo
ddd [48]

Answer:

The correct answer is option a. "For recombinant DNA technology or for the creation of synthetic life, only the gene that produces a particular desired product is needed, and not the entire organism that carried the gene".

Explanation:

Genetic biodiversity and population genetics are modern concepts related to the total number of discovered genes, which in the video Craig Venter explains that are around 20 million. The number of discovered genes are very important for scientific development because for recombinant DNA technology or for the creation of synthetic life, only the gene that produces a particular desired product is needed, and not the entire organism that carried the gene. Therefore, each new gene that is discovered or available, has the potential to be used in recombinant DNA technology developments.

8 0
3 years ago
Give me a best definition of meiosis.
34kurt

Answer:

Meiosis is a special type of cell division in sexually-reproducing organisms used to produce the gametes, such as sperm or egg cells. It involves two rounds of division that ultimately result in four cells with only one copy of each chromosome.

Explanation:

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</span>4. Hypoxia: <span>hyp = deficiencies; oxia = oxygen
</span>5. Homograft: <span>homo = same; graft = transplant
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