Advertisements
Advertisements
प्रश्न
How many linkage groups do occur in human being?
Advertisements
उत्तर
Humans have 23 linkage groups because they have 23 pairs of chromosomes. The maize plant has 10 linkage groups because it has 10 pairs of chromosomes.
APPEARS IN
संबंधित प्रश्न
British geneticist R.C. Punnett developed a graphical representation of a genetic cross called “Punnett Square”. Mention the possible result this representation predicts of the genetic cross carried.
Answer the following question.
British geneticist R.C. Punnett developed a graphical representation of a genetic cross called “Punnett Square”. Mention the possible result this representation predicts of the genetic cross carried.
What is crossing over?
Very Short Answer Question.
Give one example of complete sex linkage?
Analyse the following statements with respect to complete sex linkage and select the correct option.
- It is exhibited by genes located on non-homologous regions of X and Y chromosomes
- Y-linked trait is hypertrichosis.
- X-linked traits are haemophilia, red-green colour blindness, myopia (near sightedness).
From the following disorders identify the ODD one.
In a cross between AABB × aabb, the ratio of F2 genotypes between AABB, AaBB, Aabb, and aabb would be ______.
Two dominant non-allelic genes are 50 map units apart. The linkage is ______.
A fruit fly heterozygous for sex-linked genes, is mated with normal female fruit fly. Male specific chromosome will enter egg cell in the proportion ______.
In a given plant, red colour (R) of fruit is dominant over white fruit (r); and tallness (T) is dominant over dwarfness (t). If a plant with genotype RRTt is crossed with a plant of genotype rrtt, what will be the percentage of tall plants with red fruits in the next generation?
