Answer:
Smooth & yellow: 9
smooth & green: 3
wrinkled & yellow: 3
wrinkled & green: 1
Explanation:
Gene controlling seed color are yellow Vs green
Gene controlling seed texture are smooth Vs wrinkled
In F1 generation, A true breeding smooth green plant (SSyy) is crossed to a true breeding wrinkled yellow (ssYY)
Off spring in F1 generation are smooth yellow (SsYy)
This means smooth texture is dominant over wrinkled texture and yellow color is dominant over green
in F2 generation, the cross is carried between SsYy
SY Sy sY sy
SY SSYY SSYy SsYY SsYy
Sy SSYy SSyy SsYy Ssyy
sY SsYY SsYy ssYY ssYy
sy SsYy Ssyy ssYy ssyy
Smooth & yellow: 9
smooth & green: 3
wrinkled & yellow: 3
wrinkled & green: 1
The mass extinctions that occurred 250 million years ago and 65 million years ago may have been due to gradual process or Catastrophic events.
One is the diversification
of food sources. Second is increasing agricultural
production by implementing good agricultural practices and adopting
contemporary technologies such as Genetically Modified Foods. The third is increased exports to these counties
with undefined populations. Fourth is embracing good agricultural land management practices such as reducing land
fragmentation/subdivision so as to promote large-scale
production.
Answer:
C. Pseudo science is also known as 'fake science' because whatever is said is impossible to prove with the scientific method, and a pseudoscientist's mindset is that it's correct until proven wrong.