03:41Chromosome, Gene, Trait, Allele, Locus, Dominant, and Recessive | The Biology Central | GeneticsThe Biology Central979views
Multiple ChoiceAlternate forms of the same gene are called:a) Chromatids.b) Centromeres.c) Chromosomes.d) Alleles.2907views21rank
Multiple ChoiceA cell that has 2 copies of each chromosome is called a __________ cell:a) Sperm.b) Diploid.c) Haploid.d) Gamete.2768views17rank
Multiple ChoiceAll human cells, except sex cells, are diploid and have 23 pairs of chromosomes. Human sex cells, such as egg and sperm, are haploid and have _______ chromosomes.a) 23b) 12c) 11.5d) 463865views34rank1comments
Textbook QuestionIf an intestinal cell in a grasshopper contains 24 chromosomes, then a grasshopper sperm cell contains ___________ chromosomes a. 6 b. 12 c. 24 d. 48657views
Textbook QuestionWhich of the following statements correctly describe the relationship between genes and chromosomes? a. Genes are chromosomes; b. Chromosomes contain many genes; c. Genes are made up of hundreds or thousands of chromosomes; d. Genes are assorted independently during meiosis, but chromosomes are not; e. More than one of the above is correct.1498views
Textbook QuestionAn allele is a . a. version of a gene; b. dysfunctional gene; c. protein; d. spare copy of a gene; e. phenotype1012views
Textbook QuestionHow many genes are there in a human sperm cell? a. 23 b. 46 c. about 21,000 d. about 3 billion1118views
Textbook QuestionPlant species A has a diploid chromosome number of 12. Plant species B has a diploid number of 16. A new species, C, arises as an allopolyploid from A and B. The diploid number for species C would probably be a. 14. b. 16. c. 28. d. 56.1164views
Textbook QuestionIf one species (2n=10) crosses with another species (2n=18), producing an allopolyploid offspring, what is the ploidy of the offspring? a. 2n=10 b. 2n=18 c. 2n=10 + 18=28 d. 4n=36 +20=56574views