Answer:
if mitosis is unregulated, cancer cells could multiply continuously or create defective daughter cells.
It creates mid-ocean ridges
a - fossil fuels
step by step explanation:
fossil fuels are non-renewable and will run out
Answer:
A) One-half of their daughters will have normal color vision and brown eyes; 1/2 of their daughters will have normal color vision and blue eyes.
Explanation:
<u>The genotypes and phenotypes are</u>:
- BB or Bb= brown eyes
- bb= blue eyes
- XᴰXᴰ, XᴰXᵈ (women) or XᴰY (men)= normal vision
- XᵈXᵈ (women) or XᵈY (men) = color blind
A woman has blue eyes (bb) and normal color vision (she has an Xᴰ chromosome) but her father was color-blind, so the other X chromosome she has carries the recessive d allele. She has the genotype bb XᴰXᵈ.
The man has normal color vision (he is XᴰY) and has brown eyes, but his mother had blue eyes so he must have inherited a b allele from her and is therefore heterozygous Bb. His genotype is BbXᴰY.
The blue/brown eyes gene is autosomal and independent from the sex-linked color blindness gene.
The woman can produce the gametes b Xᴰ and b Xᵈ.
The man can produce the gametes B Xᴰ, b Xᴰ, B Y and bY.
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<u>The female daughters can have the following genotypes and phenotypes:</u>
- Bb XᴰXᴰ brown eyes, normal color vision
- Bb XᴰXᵈ brown eyes, normal color vision
- bb Xᴰ Xᴰ blue eyes, normal color vision
- bb Xᴰ Xᵈ blue eyes, normal color vision
Stem cell lookup presents remarkable promise for understanding basic mechanisms of human improvement and differentiation, as properly as the hope for new redress for illnesses such as diabetes, spinal cord injury, Parkinson’s disease, and myocardial infarction. However, human stem cell (hSC) research additionally raises sharp moral and political controversies. The derivation of pluripotent stem cell strains from oocytes and embryos is fraught with disputes about the onset of human personhood. The reprogramming of somatic cells to produce brought on pluripotent stem cells avoids the moral issues particular to embryonic stem cell research. In any hSC research, however, dilemmas arise involving sensitive downstream research, consent to donate materials for hSC research, early medical trials of hSC therapies, and oversight of hSC research. These moral and policy issues want to be discussed along with scientific challenges to make certain that stem mobile lookup is carried out in an ethically fabulous manner. This article affords a crucial evaluation of these issues and how they are addressed in contemporary policies.
Stem cells are the body's uncooked substances — cells from which all other cells with specialized functions are generated. Under the right prerequisites in the body or a laboratory, stem cells divide to shape more cells known as daughter cells.
Learn more about stem cell here:
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