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Match List-I with List-II: List-I (Types of inheritance) A. Incomplete dominance B. Co-dominance C. Pleiotropy D. Polygenic inheritance List-II (Example) I. Blood groups in human II. Flower colour in Antirrhinum III. Skin colour in human IV. Phenylketonuria
Which one of the following conditions correctly describes the manner of determining the sex in the given example?
Two genes R and Y are located very close on the chromosomal linkage map of the maize plant. When RRYY and rryy genotypes are hybridized, then F2 segregation will show:
The method of DNA replication in which two strands of DNA separate and synthesize new strands is called:
How many true-breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits?
In order to find out the different types of gametes produced by a pea plant having the genotype AaBb, it should be crossed to a plant with the genotype:
Mongolian idiocy (an obsolete term) is due to trisomy in the 21st chromosome. This condition is called:
Minor change in a gene's structure is called:
Which one of the following cannot be explained on the basis of Mendel's Law of Dominance?
Genera like Selaginella and Salvinia produce two kinds of spores. Such plants are known as
A stone dropped from a building of height $h$ reaches the earth after $t$ seconds. From the same building, if two stones are thrown (one upwards and other downwards) with the same velocity $u$ and they reach the earth surface after $t_1$ and $t_2$ seconds respectively, then:
Sound waves travel at $350 \text{ m/s}$ through warm air and at $3500 \text{ m/s}$ through brass. The wavelength of a $700 \text{ Hz}$ acoustic wave as it enters brass from warm air:
A pleiotropic gene:
Select the incorrect match regarding the symbols used in Pedigree analysis:
Lack of independent assortment of two genes A and B in the fruit fly Drosophila is due to:
When a cluster of genes shows linkage behaviour they:
A car accelerates from rest at a constant rate $\alpha$ for some time, after which it decelerates at a constant rate $\beta$ and comes to rest. If the total time elapsed is $t$, then the maximum velocity acquired by the car is:
Contraceptive oral pills help in birth control by:
In which disorder, change of single base pair in the gene for beta globin chain results in change of glutamic acid to valine?
Ten E.coli cells with 15N - ds DNA are incubated in medium containing 14N nucleotide. After 60 minutes, how many E.coli cells will have DNA totally free from 15N?