In one set of experiments, Calvin Bridges crossed white-eyed female fruit flies with red-eyed males. Some of the offspring were white-eyed females. These individuals, he demonstrated, had the genotype _____, which occurred because of _____ during meiosis
A. XXX / nondisjunction
B. XXO / independent assortment
C. XXY / random segregation
D. XXO / nondisjunction
E. XXY / nondisjunction
E
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Megaspores are produced
a. within ovules. b. within seeds. c. by pollen grains. d. by the gametophyte. e. by the union of egg and sperm cells.
. For a woman to get pattern baldness she must ____
a. have the SRY gene b. be younger than 40 years old
c. possess two copies of the allele d. have a sex-limited chromosome arrangement e. have Y inactivation
The body temperature in humans is maintained around 37°C. Which characteristic of life does this information represent?
What will be an ideal response?
In substrate-level phosphorylation, ATP storage is depleted during the steps in catabolism of the fermentable compounds
Indicate whether the statement is true or false.