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.

Biology & Microbiology

You might also like to view...

Organisms able to live in environments with high sugar concentrations are

A) halotolerant. B) osmophiles. C) xerophiles. D) anaerobic fermenting bacteria.

Biology & Microbiology

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.

Biology & Microbiology

What is the importance of a cell being able to regulate gene expression?

What will be an ideal response?

Biology & Microbiology

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

Biology & Microbiology