The failure of either homologous chromosomes to separate during meiosis I or sister chromatids to separate during meiosis II is called ________
Fill in the blank(s) with correct word
nondisjunction
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Four of the five answers listed below are members of a common group. Select the exception
a. sea star b. sea anemone c. sea urchin d. brittle star e. sea cucumber
After mitosis, the chromosome number of a descendant cell is _____ the parent cell's
a. the same as b. one half of c. rearranged compared to d. doubled compared to
In a particular plant, two genes control leaf shape and color. Round leaves (R) are dominant to jagged leaves (r). Yellow fruits (Y) are dominant to white fruits (y). A true-breeding roundleaved, yellow-fruited plant is mated with a jagged-leaved, white-fruited plant. What are the genotypes of the plants involved in this cross?
A) RRYY ´ RRYY B) RRYY ´ rryy C) RrYy ´ RrYy D) cannot determine from the information given
A community is composed of different populations of animals and plants.
Answer the following statement true (T) or false (F)