Textbook QuestionIf humans have 23 pairs of chromosomes, each carrying hundreds to thousands of genes, roughly how many genes are there in the human genome? a. 23; b. 46; c. 1000; d. 20,000; e. 200,0001143views
Textbook QuestionHomologous pairs of chromosomes . a. are two different chromosomes attached to each other; b. are exact copies of one chromosome that are attached to each other; c. are separated from each other during meiosis I; d. are separated from each other during interphase; e. are chromosomes that carry different genes1940views
Multiple ChoiceThe human karyotype shown below:a) Is of a haploid cell.b) Is from a gamete.c) Shows 23 chromosomes.d) All of the above.2391views23rank
Multiple ChoiceHow might the two members of a pair of homologous chromosomes differ from each other?a) In the sequence of the DNA making up each of the chromosomes.b) In the relative position of the genes present on each of the chromosomes.c) They cannot differ if they are homologous.d) In the kinds of genes present on each of the chromosomes.2722views16rank2comments
Multiple ChoiceAn organism has a haploid chromosome number n = 4. How many tetrads will form during meiosis? 1201views