B cells mature in the ________, and T cells mature in the ________
a. bone marrow / bone marrow
b. bone marrow / thymus
c. spleen / thymus
d. bone marrow / thyroid
Answer: B
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____________________ is spread by droplets produced when an infected person sneezes or coughs
Fill in the blank(s) with correct word
In __________, an anus forms first
Which term is used to describe the way homologous pairs of chromosomes line up in random orientations relative to each other during metaphase I?
A. independent assortment B. random fertilization C. crossing over D. genetic variation
Which of the following is true about the interrupted mating technique?
A) Donor will pass only beneficial genes to the recipient. B) Time of contact is not applicable to this protocol. C) The recipient bacterium will choose the best genes. D) Genes are transferred from the donor to recipient in a linear fashion based upon time of contact. E) Genes will be passed from the centromere.