True or false: In co-speciation, two groups of organisms speciate in response to each other and at the same time
A. true
B. false
A
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Apoptosis is ____
a. cell determination b. cell induction c. a mechanism of cellular adhesion d. programmed cell death e. cell differentiation
In the cross Cc ยด Cc, gametes have a ____ chance of receiving either allele
a. 25-75 b. 50-50 c. 75-25 d. 60-40 e. 90-10
Which describes why meiosis promotes genetic variability?
A. Meiosis produces four gametes that have half the same number of chromosomes of the parent cell B. Meiosis produces four gametes that have twice the same number of chromosomes of the parent cell C. Meiosis produces four gametes that have the same number of chromosomes of the parent cell D. Meiosis produces four gametes that have four times the same number of chromosomes of the parent cell
Streptococcal species are classified using protein antigens found on the cell surface of many species.
A) True B) False