Help
Contact
For teachers and institutes
Search courses, problems, tests…
A
A
>_
StemPy Lab
Courses ▾
Problems ▾
Practice ▾
Mock Tests
Classes
Community ▾
A
A
A recessive allele is lethal, so every aa individual… | StemPy Lab
Quizzes
/
A recessive allele is lethal, so every aa individual dies before breeding. In one generation q = 12. What is q after two generations of this selection?
Biology
Hard
High School (11–12)
Heredity and Evolution › Evolution
AP
A-Level
IB
AP EAPCET
BCECE
CUET UG
+13 more exams
GUJCET
IAT (IISER)
JCECE
JKCET
KCET
KIITEE
LPUNEST
MHT-CET
NEST (NISER)
OJEE
SRMJEEE
TS EAPCET
VITEEE
Created by
StemPy Lab
A recessive allele is lethal, so every
a
a
aa
aa
individual dies before breeding. In one generation
q
=
1
2
q = \tfrac12
q
=
2
1
. What is
q
q
q
after two generations of this selection?
1
16
\tfrac{1}{16}
16
1
1
8
\tfrac18
8
1
1
3
\tfrac13
3
1
1
4
\tfrac14
4
1
Check Answer
Log in to save
Tag someone
⚑ Report
← All Quizzes
← A recessive skin condition shows in one resident in every 900 of a town. The 90000 residents mate at random. How many residents are expected to be healthy carriers of the allele?
Very light and very dark mice on a pale soil are eaten by owls, which see them easily. Mice of an intermediate shade are rarely eaten. Which type of selection is this, and what happens to the curve of fur shade? →
More on
Heredity and Evolution › Evolution
Discussion (0)
Log in
to join the discussion.
Loading…
All questions on this topic →
Problems on this topic
The tree of the lesson has four species…
Medium
This problem goes beyond the NEET syllabus, but A-Level and IB ask it…
Hard
Four species A, B, C and D have these differences in a gene: A and B 4; A and C 10; B and C 10; A…
Hard
Use these NCERT dates: Homo erectus lived about 1500000 years ago…
Hard
All problems on this topic →