Which of the following phrases best explains how differing maturity levels of the pistil and stamen are beneficial for some flowers?
to improve light capture for photosynthesis
to protect the flower from climate variations
to attract different types of organisms to ensure fertilization
to prevent self-fertilization and allow fertilization by another flower
Answers: 1
Biology, 22.06.2019 03:30
In a hypothetical breed of dogs, coat color is controlled by two genes. there are six different coat colors in this breed: black, brown, cream, gray, silver, and tan. consider the following crosses. cross 1: black females from a lineage of all black dogs are crossed with brown males from a lineage of all brown dogs. f1 males and females are all black. when f1 are intercrossed, f2 males and females are black or brown. cross 2: black females from a lineage of all black dogs are crossed with tan males from a lineage where all males are tan and all females are cream. f1 males are black, f1 females are gray. when f1 are intercrossed, f2 males and females are black, brown, gray, or tan. cross 3: silver females from a lineage where all females are silver and all males are gray are crossed with brown males from a lineage of all brown dogs. f1 males and females are all gray. when f1 are intercrossed, f2 males are black, brown, gray, or tan, f2 females are cream, gray, silver, or tan. select the correct statements regarding the mode of inheritance of the coat color genes. a) both genes are x-linked. b) both genes are autosomal. c) one of the genes modifies the expression of the other gene. d) each gene has an additive effect on the intensity of coat color. e) each gene independently specifies three colors. f) one of the genes is autosomal, and the other is x-linked.
Answers: 2
Biology, 22.06.2019 19:30
Why are lipids and proteins free to move laterally in membranes?
Answers: 1
Biology, 22.06.2019 20:30
The eyeball is wrapped in adipose tissue within the orbit. what is the function of the adipose tissue?
Answers: 1
Which of the following phrases best explains how differing maturity levels of the pistil and stamen...
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