An enucleated egg cell ________
A) contains an extra copy of a gene
B) has two nuclei
C) lacks a nucleus
D) cannot be used for cloning
E) is a type of stem cell
C
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In a species of turtles you are studying, you find that when eggs are incubated at a low temperature, the hatched turtle will be male
Eggs incubated at a high temperature yield females, and intermediate temperatures lead to both male and female offpsring. This mode of sex determination is most similar to that in A. insects. B. birds. C. bees. D. alligators.
The use of _____ is associated with an increased risk of transmitting genetic defects, such as those related to infertility, onto male children
a. IVF b. GIFT c. IUI d. ZIFT e. ICSI
The greater the polyglutamine expansion in the huntingtin gene (greater than 35 CAG trinucleotide repeats), the greater
the chance for developing Huntington disease. a. True b. False
Features that contributed to success on land include a(n) __________ and __________ that minimize water loss.
Fill in the blank(s) with the appropriate word(s).