Every chimpanzee somatic cell contains 48 chromosomes, in which genes are localized. How many genes linkage groups are there in a chimpanzee somatic cell? Select one: Oa. 48 O b. 24 O c. 12 O d. 6 O e. 2
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- How many Barr bodies would you expect to see in a human cell containing the following chromosomes? a. XX b. XY c. XO d. XXY e. XXYY f. XXXY g. XYY h. XXX i. XXXXWhich of the following is a phenotype? a. Aa b. red hair c. Heterozygous d. DNAWhat is a main difference between onion root tip (plant cell) mitosis and whitefish blastula (animal cell) mitosis? A. The DNA is animal cells is inside of a nucleus but there is no nucleus in plant cells. B. A cleavage furrow is not formed in plant cells due to the rigid cell wall. C. Plant cells do not have DNA and animal cells do. D. Plant cells have undergo prophase where they condense their chromosomes but animal cells skip this step.
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- What structure is most important in forming the tetrads? a. centromere b. synaptonemal complex c. chiasma d. kinetochoreWhich observation led Thomas Morgan to realize that the gene for fruit fly eye color was located on a sex chromosome? a. He noticed that only male F2 flies could have white eyes; no females displayed this trait. b. He saw that the F2 generation of flies had the classic 3:1 phenotypic ratio of red eyes to white eyes c. He read it in a biology textbook d. He noticed that only mutant flies had white eyesThe flower color in pea plant is determined by a specific gene. In a diploid species like the pea plant there can be two alternative form of a gene called. a. loci b.phenotypes c.alleles d.homologues e.chromosomes