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Assoli18 [71]
3 years ago
5

Describe two ways that technology may address the ethical concerns related to stem cell research

Biology
1 answer:
mote1985 [20]3 years ago
3 0

I t can tell you a if something is a multicellular cell or if it isn't a multicellular cell because you might get a different discovery every time you look at a stem cell
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The presence of a specific trait is genetically inherited. There are only two possible outcomes for this trait: An individual ei
Igoryamba

Answer:

D) Each parent contributes one allele for this trait  

Explanation:

All traits of individuals are determined by specific genes of that trait. For example, there is a certain gene for height, certain gene for eye color, face shape etc.

Genes are the units of hereditary, and for every trait there is one gene in every organism. However, one gene is present in two alternative forms called alleles in an organism. For example: There is a trait height, a person has two alleles for the height gene, one allele is for short height, and other allele is for tall height. The trait of tallness is dominant over the trait of shortness, Therefore, this person will have tall height.

Now the alleles are transmitted from parents to offspring. Every parent contributes one allele for a specific trait, in the process and transmit it to offspring.

The allele which will be dominant will be expressed while the one that is recessive will e suppressed.

Therefore, option D is the right answer.

Hope it helps!

6 0
3 years ago
Where can the most abundant element be found
katrin2010 [14]

The most abundant element is oxygen...found in the crust and in the atmosphere.

7 0
3 years ago
Chromosomes often exchange segments of DNA during meiosis. How might this increase the survival of a species?
il63 [147K]

Answer:

Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. This produces a unique combination of genes in the resulting zygote. Recombination or crossing over occurs during prophase

4 0
3 years ago
Select all that apply. the answer can be more than one.
arsen [322]
 a and d and e and then f
8 0
3 years ago
What do the data suggest about the effects of cane toads on the predatory behavior of black snakes in areas where the toads have
Brrunno [24]

Answer: C. Black snakes will not prey on cane toads in areas where cane toads have been present for 40–60 years.

Explanation:

Cane toad secret a toxin called bufotoxin which is a defense mechanism against predators. These defense mechanism is capable of killing black snakes if they eat cane toads. Within a period of 40 to 60 years, the black snakes in these area will be aware of the presence of a toxin capable of killing them in cane toads and will not prey on them. This phenomenon is termed learned behavioral adaptation.

4 0
3 years ago
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