Answer:
The water potentials (Ψ) of the cell and its surroundings are the same.
Explanation:
When a cell is kept in hypotonic surroundings such as distilled water, the osmotic movement of water occurs towards the cell. The entry of water makes the cell swell up and it becomes turgid. Water potential is determined by solute and pressure potentials mainly. Here, the solute potential of the cell and the distilled water was different resulting in differences in their respective water potential values which in turn served as a driving force for endosmosis.
When the cell is fully turgid, the solute concentration of the cell and the surrounding distilled water become equal to each other. Under these conditions, the water potential of the cell and distilled water are the same.
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
Push and pull the slinky at the same time that you move it up and down your hand should move in a circle this circular motion wave models an earthquake wave called Rayleigh wave. Hope this helps
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