A woman with type A blood and a man with type B blood have a baby with type O blood. What are the genotypes of the woman and the man?

A) IAi and IBi
B) IAIA and IBi
C) IAi and IBIB
D) IAIA and IBIB


A

Biology & Microbiology

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Which of the following hominin species was the first to leave Africa, it's fossils date from 1.9 to 0.2 mya, and it had a similar anatomy to our species?

A. Home floresiensis B. Home erectus C. Sahelanthropus tchadensis D. Australopithecus afarensis

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Animals that possess both male and female sexual organs

a. are parthenogenetic and typically self-fertilize. b. are hermaphroditic and typically self-fertilize. c. are dioecious and typically cross-fertilize. d. are dioecious and typically self-fertilize. e. are hermaphroditic and typically cross-fertilize.

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What is the distribution of parental chromosomes in each of the four haploid cells produced by meiosis II?

A) 100% maternal or paternal chromosomes B) a 75%:25% mix of maternal and paternal chromosomes C) a 50%:50% mix of maternal and paternal chromosomes D) a random mix of maternal and paternal chromosomes E) The distribution depends on whether the organism is haploid or diploid.

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Which muscle type(s) are under voluntary control?

Skeletal Smooth Cardiac All of the above

Biology & Microbiology