Which of these describe(s) variation within a species or population? A population is defined as members of the same species living together in the same area and who are likely to breed with each other.
A) Hummingbirds have beaks able to collect nectar from flowers while woodpeckers have beaks able to collect insects from tree bark
B) Polar bears have differences in the number of hairs per square inch of their skin
C) Evergreen trees have needle-like leaves
D) Fish use gills to obtain oxygen from water
Answers: 3
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 04:00
Which chemical equation is unbalanced? which chemical equation is unbalanced
Answers: 1
Biology, 22.06.2019 04:00
The transport tubes from food came down the plant are called?
Answers: 1
Which of these describe(s) variation within a species or population? A population is defined as memb...
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