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Topic :: Chromosome
If a fly has a diploid number of 12, how many chromosomes would there be in each cell at the end of telophase of mitosis?
3 9310. Each chromosome consists of (a) Many thread shaped bodies (b) Many genes (c) Many organism (d) None of these
2 3792Which of the following combinations of chromosomes is present in males? 1 XX 2 XXX 3 XY 4 XYX
2 5114In man, the absence of a Y Chromosome in a fertilized egg causes it to develop into 1 Male 2 Female 3 Inter sex 4 Dead chromosome
1 3789The number of chromosomes in the triploid variety of a plant is 72...what is the number of chromosomes in a diploid genome of the same plant??
3 6378How the chromosome region where the centromere is located is called? How are chromosomes classified in relation to the position of their centromere?
848
In cucumbers normal leaves (N) are dominant to curled leaves (n) and elongated fruit (L) is dominant to spherical fruit and these genes are linked on the same chromosome. If a pure-breeding normal-leaved, elongated fruit cucumber is crossed with a curled-leaved, spherical fruit cucumber, what will be the phenotype of the F1? the phenotypic ratio of the F2?
In cats yellow is due to gene B and black to its allele b. These genes are located on the X chromosome (sex-linked). The heterozygous results in calico (tortoise shell). What kinds of offspring (sex & color) are expected from the cross: black male & calico female? Most calico males are sterile, why?
What is the chromosome number of Ginkgoes?
How the chromosome region where the centromere is located is called? How are chromosomes classified in relation to the position of their centromere?
What are the substances that constitute the chromatin? What is the difference between chromatin and chromosome?
What is the relation between the concepts of chromatin and chromosome? Are euchromatin and heterochromatin part of chromosomes?
What are the primary and the secondary constrictions of a chromosome? What is the other name given to the secondary constriction?
What is the difference between chromatin and chromosome?
What is the other name given to sex chromosomes?
How are the concepts of chromosome, chromatin and chromatids related? In which phase of the cell cycle does dna duplicate?
What are homologous chromosomes? Which are the human cells that do not have homologous chromosomes?
What is the function of sex chromosomes?
