what are the chances that these parents will pass down at least one dimple aliel

Question

what are the chances that these parents will pass down at least one dimple aliele to their offspring? a. 0% b. 25% c.50% d. 100% 60. What is the gender of this karyotype - Ba a. male b. female c. can't tell, information is missing 61. Gamete formation for a female results in ,but for a male it results in a. four equal sized egg cells, four equal sized sperm cells b. one large egg cell, four equal sized sperm cells c. four equal sized egg cells, one large sperm cell d. one large egg cell, two equal sized sperm cells 62. All of the following happen as a result or during meiosis EXCEPT a. sex cells are formed b. two divisions occur c. sex cells are identical to each other d. haploid cells are formed 63. Meiosis is used to build new skin, bone and muscle cells a. True b. False 64. All of the following contribute to genetic variation EXCEPT a. crossing over b. fertilization d. mitosis

Explanation / Answer

59. 50%. If only one parent has dimple genes, the chances of the children inheriting the genes are 50%.

60. female karyotype

61. one large egg cell and four equal size sperm cells

62. sex cells are identical to each other

63. False. Seen in mitosis. This type of cell division produces new skin cells, bone cells, liver cells, muscle cells, egg cells lung cells and kidney cells.

64. Mitosis. Genetic variation is increased by meiosis.

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