Biology, 05.02.2020 09:43 jholland03
When flies having a gray body and normal wings were crossed with flies having a black body and vestigial wings, the f2 generation showed a phenotypic ratio of 3: 1, and not 9: 3: 3: 1.
which of the following could be a correct explanation for this ratio?
a- genes for body and wing size were on the same chromosome and inherited together
b- genes for body and wing size assort independently
c- genes for body color and wing size are inherited separately from each parent
Answers: 1
Biology, 21.06.2019 20:50
Next pretest: evolution select the correct answer in a laboratory population of flies, the female flies are gray and the males are yellowish gray. biologists observed that all the male flies had an equal chance for reproduction, but the male flies with the brightest colors were more likely to successfully reproduce. what phenomenon could explain such a change? a sexual selection b. disruptive selection c. stabilizing selection d. directional selection
Answers: 1
Biology, 22.06.2019 04:00
1) strawberry plants typically reproduce by making runners, which are miniature versions of themselves, that grow off of the roots and stems of the parent. this type of vegetative reproduction is known as a) pollination. b) fragmentation. c) binary fission. d) vegetative propogation.
Answers: 2
Biology, 22.06.2019 09:00
Which are characteristics of flukes? check all that apply. a they are free living. b they are a type of flatworm. c they reproduce sexually. d they have eyespots. e they are segmented.
Answers: 2
Biology, 22.06.2019 09:00
Suppose you could go back in time to interview henri becquerel on the day he discovered radioactivity. from his perspective, write an account of the discovery.
Answers: 2
When flies having a gray body and normal wings were crossed with flies having a black body and vesti...
Mathematics, 25.08.2019 10:00
Business, 25.08.2019 10:00
Computers and Technology, 25.08.2019 10:00
Mathematics, 25.08.2019 10:00
Mathematics, 25.08.2019 10:00
Mathematics, 25.08.2019 10:00
History, 25.08.2019 10:00
English, 25.08.2019 10:00
Mathematics, 25.08.2019 10:00
Mathematics, 25.08.2019 10:00