Cri du chat syndrome arises from:a
trisomy for chromosome 5.
b. deletion of part of chromosome 5.
c. a 14/21reciprocal translocation.
d. nondisjunction.
e. a duplication of part of chromosome 15.
B
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The perianth of a flower consists of:
A. the pistil and stamens B. the petals and sepals C. the peduncle and receptacle D. the anthers and stigma E. the style and ovary
Four of the five answers listed below are
characteristic to meiosis. Select the EXCEPTION.
a. involves two divisions b. reduces the number of chromosomes c. results in the production of two cells d. produces haploid cells e. involves pairing of homologous chromosomes
Researchers can deliver genes into plants by using
a. the bacterium Agrobacterium tumefaciens. b. microscopic particles coated with DNA. c. electric shocks. d. chemicals. e. all of these.
What trait in humans is correlated with the humidity in the air to which the group is adapted?
What will be an ideal response?