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d1i1m1o1n [39]
3 years ago
6

Determining risk of possible genetic defects can occur before or after conception and includes all of the following approaches E

XCEPT:
Group of answer choices

linkage analysis.

Amniocentesis.

karyotype analysis.

pedigree analysis.

chorionic villi sampling.
Biology
1 answer:
svp [43]3 years ago
5 0

Answer:

Linkage analysis

Explanation:

Linkage analysis is the only example here that does not look at possible genetic risks, such as looking for abnormal chromosome structures (karyotype) or family history (pedigree analysis).

Instead, linkage analysis is used to narrow down the chromosomal location of a particular trait. That is, it is a method used to find segments of chromosomes that harbour a particular trait.

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What are the advantages of using digital waves over analog signals?
kvasek [131]

Answer:

What are the advantages and disadvantages of digital over analog?

Do you want to learn more about crypto?

“Advantages of Digital Communication. The effect of distortion, noise, and interference is much less in digital signals as they are less affected. Digital circuits are easy to design and cheaper than analog circuits. The hardware implementation in digital circuits, is more flexible than analog.” In general, digital is far easier to handle and has (virtually) unlimited precision (limited only by hardware constraints and compute time).

Analog computation takes place at a significant portion of the speed of light (the time it takes for an electrical signal to traverse a circuit). However, it is almost impossible to correct completely for noise, and precision is limited to three (or at most four significant digits).

5 0
3 years ago
All vertebrate embryos have _____ at some point during embryonic development, indicating a common evolutionary ancestor
aivan3 [116]

All chordates chare four structures. One of the is the tail. All vertebrate embryos have _<u>a tail</u>__ at some point during embryonic development, indicating a common evolutionary ancestor.

<h3>What is the relationship between chordates?</h3>

The evolutionary relationship between species is reflected in the similarities or differences in the patterns of embryonic development.

All chordates belong to the Chordata phylum, and share four main characteristics,

  1. Notochord, which is a precursor of the dorsal spine.
  2. Nerv cord, dorsally located and parallel to the notochord.
  3. Pharyngeal clefts
  4. Tail

All chordates express these structures at some point in their lives, especially in the early stages of embryogenesis. Many of them can be lost with animal development and become vestigial structures.

The tail is a vestigial structure in many vertebrates.

Vestigial structures are those body parts, genetically determined, that have been retained during the evolution of the taxonomic group but have lost or reduced their original function.

Such vestigial structures were plenty functional in the ancestors of new species, but now are typically degenerate, stunted, or rudimentary, and tend to be much more variable than homologous non-vestigial parts

All vertebrates develop a tail at some point in their embryonic life, even humans. However, this structure lost its original function in several species, so after a period of embryogenesis, this tail disappears, and its forming vertebras get fussed with each other composing the coccyx.

In many animals, the function of the tail is to stabilize, equilibrate and mobilize. But in humans, for instance, the coccyx has lost this function but is still an area of muscle insertion.

The correct option is Tail.

All vertebrate embryos have _<u>a </u><u>tail</u><u>_</u> at some point during embryonic development, indicating a common evolutionary ancestor.

You can learn more about chordates at

brainly.com/question/12406059

#SPJ1

3 0
2 years ago
What is an allele?
Natali [406]

Answer: Just did the lesson on this, the answer is  C.

Explanation:An allele is one of the possible forms of a gene. Most genes have two alleles, a dominant allele and a recessive allele. If an organism is heterozygous for that trait, or possesses one of each allele, then the dominant trait is expressed. ... So a gene is a particular region of your DNA that controls a specific trait.

6 0
3 years ago
Divergent plates move _________ from each other. This causes _______ to form as well as mid-ocean ridges.
klio [65]
Divergent plates move from each other. This causes to form as well as mid- ocean ridges
6 0
2 years ago
5._____________________is factual information that results from a scientific investigation. A.bias B.data C.assumption D.none of
Rom4ik [11]

Answer:

It is B, data.

Explanation:

Data is what you collect from an experiment.

5 0
3 years ago
Read 2 more answers
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