long stem(L)is dominant over short stem(l).A homozygous long stem rose plant is crossed with homozygous short stem.give the genotypes and phenotype of possible offspring?
Answers
all resulting stem rose plants will be heterozygous long (Ll) type
Answer:
Law of Dominance: This regulation sates that during a couple of contrasting developments the allele this is expressed is dominant while the allele that isn't expressed is recessive. Long stem dominant over Short stems.
Explanation:
(Parental gen) TT X tt
(Homozygous lengthy stem plant) (Homozygous quick stem plant)
(F1 era) Tt
(Self pollination) Tt X Tt
(F2 era) TT Tt Tt tt
Here:
TT: Homozygous dominant lengthy stem plant
Tt: Heterozygous dominant lengthy stem plant
tt: Homozygous recessive quick stem plant
(a) In 2d era, 75 % of rose flowers may have lengthy stem flowers.
(b) Following the punnet checker board, the phenotypic ratio of F2 era plant is 3:1 and the genotypic ratio is 1:2:1.
(c) Law of Dominance: This regulation sates that during a couple of contrasting developments the allele this is expressed is dominant while the allele that isn't expressed is recessive. Long stem dominant over Short stems.
What is homozygous and heterozygous
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2 examples of Homozygous??
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