In a testcross, if all the offspring show the dominant phenotype, then the individual with the unknown genotype was Select one:
a. a clone of the other testcross individual.
b. homozygous recessive.
c. heterozygous recessive.
d. homozygous dominant.
e. heterozygous.
d. homozygous dominant.
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Organisms able to live in environments with high sugar concentrations are
A) halotolerant. B) osmophiles. C) xerophiles. D) anaerobic fermenting bacteria.
While we can use molecular clocks based on molecular sequence data to estimate the times at which various lineages diverged, we ultimately need the ____ to calibrate the clocks
Fill in the blank with the appropriate word.
What is the importance of a cell being able to regulate gene expression?
What will be an ideal response?
Which chromosome has a telomere but the p arm is much shorter than the q arm?
A) metacentric B) telocentric C) submetacentric D) sex chromosome E) acrocentric