A karyotype:
A) can be used to diagnose Down syndrome in humans.
B) reveals the autosomes but not the sex chromosomes.
C) requires a haploid gamete.
D) can be produced only from cells in telophase of mitosis.
E) can be produced only from cells in telophase of mitosis or telophase II of meiosis.
A) can be used to diagnose Down syndrome in humans.
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Which of the following traits is not characteristic of amphibians?
a. carnivorous as adults b. four-chambered heart c. needing water to breed d. evolved from lobe-finned fish
Veins throughout a leaf are formed by vascular epidermis
Indicate whether the statement is true or false.
The bacterial species Gemmata obscuriglobus can withstand high levels of radiation because ____
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