11. Radishes can be long, round or oval in shape. They may be red, white or purple in color. A long red variety was crossed with a round white variety. In the F₁ generation, all were oval purple. In the F2 generation, there were 8 long red, 15 long purple, 17 oval red, 31 oval purple, 7 long white, 15 oval white, 8 round red, 16 round purple and 9 round white. Explain the genetic basis of these results. esory bra

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10. What phenotypes are expected and in what proportion from each of the following n
crosses? (Assume D, G and Ware dominant over d, g and w, respectively.)
31
(a) DdGGww x DDGgWw
how bon
(b) ddggWw x DdGgww
HD:
(c) DdGgWw x DdggWw
(d) DdGgWW x DdGgWW
baildhalos 6
am bunjid-roloos (d)
nomow sof bemam nam lemona (0)
namnow beild-oloss of bemem nem tarono [b)
int euogyson
M
11. Radishes can be long, round or oval in shape. They may be red, white or purple in color.
A long red variety was crossed with a round white variety. In the F₁ generation, all were
oval purple. In the F2 generation, there were 8 long red, 15 long purple, 17 oval red, 31
oval purple, 7 long white, 15 oval white, 8 round red, 16 round purple and 9 round white.
Explain the genetic basis of these results.
hot tmsidorss endohes barlastis bed terftet ben
hemouth
bra
(Jisi edohss srillo sonsmedni
Snem ar to gaylonog ori ai fer
msil)
ov
fa
cisiv lemon diw
be (!)
12. In shorthorn cattle, the allele for red coat color (R) is codominant with white (R'). The
heterozygous combination (RR') produces roan (spotted) cattle. A breeder has white,
red and roan cows and bulls. What phenotypes are expected from the following matings
and in what proportions?
(a) Red x red
(b) Red x roan
(c) Red x white
(d) Roan x roan
(e) Roan x white
(f) White x white
165
Transcribed Image Text:10. What phenotypes are expected and in what proportion from each of the following n crosses? (Assume D, G and Ware dominant over d, g and w, respectively.) 31 (a) DdGGww x DDGgWw how bon (b) ddggWw x DdGgww HD: (c) DdGgWw x DdggWw (d) DdGgWW x DdGgWW baildhalos 6 am bunjid-roloos (d) nomow sof bemam nam lemona (0) namnow beild-oloss of bemem nem tarono [b) int euogyson M 11. Radishes can be long, round or oval in shape. They may be red, white or purple in color. A long red variety was crossed with a round white variety. In the F₁ generation, all were oval purple. In the F2 generation, there were 8 long red, 15 long purple, 17 oval red, 31 oval purple, 7 long white, 15 oval white, 8 round red, 16 round purple and 9 round white. Explain the genetic basis of these results. hot tmsidorss endohes barlastis bed terftet ben hemouth bra (Jisi edohss srillo sonsmedni Snem ar to gaylonog ori ai fer msil) ov fa cisiv lemon diw be (!) 12. In shorthorn cattle, the allele for red coat color (R) is codominant with white (R'). The heterozygous combination (RR') produces roan (spotted) cattle. A breeder has white, red and roan cows and bulls. What phenotypes are expected from the following matings and in what proportions? (a) Red x red (b) Red x roan (c) Red x white (d) Roan x roan (e) Roan x white (f) White x white 165
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