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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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.
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?