A man with heterozygous genotype for blood group B marries a woman with heterozygous A, what percentage (%) of their children would be universal donor?
A. 50% B. 25% C. 15% D. 10% Correct Answer: Option B B. 25%In humans, sex is determined by?
A. two homologous chromosomes B. a dominant gene for maleness present in a male C. two similar sex chromosomes in the male and dissimilar in the female D. the differences in the nature of the X and Y chromosomes in the male. Correct Answer: Option B B. a dominant gene...The name given to a sudden change in a gene or chromosome that can be passed on to the offspring is?
A. inheritance B. linkage C. alleles D. mutation Correct Answer: Option D D. mutationWhich of the following is not a morphological variation in human beings?
A. Size B. Blood groups C. Colour D. Fingerprints. Correct Answer: Option B B. Blood groupsProducts
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