Animal Biotechnology Chromosomes Questions

• Exchange of segments between non homologous chromosomes is best known as
• In an organism, the chromosome number is maintained constant because of
• How many chromosomes are there in the budding yeast (S. cerevisiae)?
• A map of chromosomes that utilizes cloned and sequenced DNA fragments rather than genetic markers is known as
• Hairy wing character of Drosophila is due to
• A diagram depicting chromosomes of haploid set of an organism ordered in a series of decreasing size is known as
• Transmission of a gene from male parent to female child to male grand child is known as
• How does dosage compensation in Drosophila occur?
• A cross shaped (+) or a ring involving four chromosomes may be formed during metaphase I in case of
• Raphanobrassica is a classical example of
• The degree or extent to which a given genotype is expressed phenotypically in a particular individual is defined as
• Which of the following is correct when a character shows continuous variation assuming a normal distribution?
• In a dihybrid cross, the progeny of an Fl individual (hetero2ygous for both characters) will show a phenotypic ratio of
• Diethyl stilbestrol (DES), a synthetic estrogen causes
• The percentage of individual with a given genotype, which exhibits the associated phenotype, is defined as
• An odd number of cross overs in inverted region will result into formation of a dicentric chromatid and acentric chromatid at anaphase I incase of
• How many chromosomes are there in Caernorhabditis elegans?
• Which of the following denotes a pair of contrasting characters?
• If two genes show 50% recombination
• Incase of inversion when the inverted segment of chromosome includes centromere, it is known as