What is a testcross?
A. any genetics cross you see on an exam
B. a cross between two organisms of different species
C. a cross between an organism of unknown genotype with a homozygous recessive individual
D. any genetics cross you do in a lab or an abbey garden
E. a cross between two true-breeding individual (such as we see in the P generation)
Answer: C
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A trace element is one found in specific organisms in ____ quantities and is ____ for normal biological functions
a. moderate; unnecessary b. moderate; vital c. small; unnecessary d. large; unnecessary e. small; vital
Two parents with type A blood have a child who is type O. The parents' genotypes must be
____________________ and ____________________ or they must have the ____________ phenotype. Fill in the blank(s) with the appropriate word(s).
To obtain large, flat cookies, one should use more fat in a recipe
Indicate whether the statement is true or false
Which of the following human activities could contribute to the eutrophication of a lake? (Check all that apply.)A) Dumping piles of leaves near a lakeB) Planting trees around the periphery of the lakeC) Washing clothes with soap in the lakeD) Feeding the ducks in the lakeE) Dumping plastic trash into the lakeF) Fertilizing lawns near the lake
What will be an ideal response?