Crossing over causes
Crossing over causes
- [AIPMT 1991]
- A
Expression of recessive genes
- B
Synapsis between homologous chromosomes
- C
Recombination between linked genes
- D
Linkage between dominant genes
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- [NEET 2016]
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Two genes $R$ and $Y$ are located very close on the chromosomal linkage map of maize plant. When $RRYY$ and $rryy$ genotypes are hybridized, then $F_{2}$-segregation wii show
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$I.$ Tightly linked genes on the same chromosome show higher recombinations.
$II.$ Genes far apart on the same chromosome show very few recombinations.
$III.$ Genes loosely linked on the same chromosome show similar recombinations.
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$II.$ Genes far apart on the same chromosome show very few recombinations.
$III.$ Genes loosely linked on the same chromosome show similar recombinations.
- [AIIMS 2018]