Which of the following are incorrectly paired?
a. estrogen—maturation of female reproductive tract
b. placenta—provides nutrients for developing offspring
c. ovarian cycle—prepares uterus to receive egg
d. menopause—cessation of ovarian cycle
C
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One characteristic of an autosomal dominant trait is that ____
a. 50% of individuals with two affected parents will be affected b. if two affected individuals are homozygous, the risk of having an affected child is 1:4 c. heterozygous fathers will always have affected daughters d. every affected individual has at least one affected parent e. mothers always pass the trait on to their sons
The most probable number (MPN) technique is an approach that can be used to quantify the presence of a particular microbe whether or not that microbe is culturable.
Answer the following statement true (T) or false (F)
A particular cross gives a modified dihybrid ratio of 9:7. What phenotypic ratio would you expect in a testcross of the fully heterozygous F1 crossed with the fully recessive type?
A) 2:3 B) 1:3 C) 2:1 D) 1:1 E) 3:1
Which of the following statements is TRUE?
a) once a person reaches maturity, cell division stops unless it is to repair a wound
b) cell division in an adult signifies cancer
c) some specific cells throughout the body retain the ability to divide & replace themselves
d) growth continues on throughout life of an adult human