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The Living World 6th Edition by George Johnson, Jonathan Losos,William Ober,Claire Garrison
النسخة 6الرقم المعياري الدولي: 978-0077280086The Living World 6th Edition by George Johnson, Jonathan Losos,William Ober,Claire Garrison
النسخة 6الرقم المعياري الدولي: 978-0077280086 تمرين 9
An egg and a sperm unite to form a new organism. To prevent the new organism from having twice as many chromosomes as its parents,
A) half of the chromosomes in the new organism quickly disassemble, leaving the correct number.
B) half of the chromosomes from the egg, and half from the sperm, are ejected from the new cell.
C) the large egg contains all the chromosomes, the tiny sperm only contributes some DNA.
D) the germ cells went through meiosis; the egg and sperm only have half the number of chromosomes.
A) half of the chromosomes in the new organism quickly disassemble, leaving the correct number.
B) half of the chromosomes from the egg, and half from the sperm, are ejected from the new cell.
C) the large egg contains all the chromosomes, the tiny sperm only contributes some DNA.
D) the germ cells went through meiosis; the egg and sperm only have half the number of chromosomes.
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The somatic cells of embryos are non-rep...
The Living World 6th Edition by George Johnson, Jonathan Losos,William Ober,Claire Garrison
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