1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Leviafan [203]
3 years ago
9

Cystic fibrosis is a genetic disorder in homozygous recessives that causes death during the teenage years. If 9 in 10,000 newbor

n babies have the disease, what are the expected frequencies of the dominant (A1) and recessive (A2) alleles according to the Hardy-Weinberg model? f(A1) = 0.9800, f(A2) = 0.0200 f(A1) = 0.9700, f(A2) = 0.0300 f(A1) = 0.9997, f(A2) = 0.0003 f(A1) = 0.9604, f(A2) = 0.0392
Biology
1 answer:
AnnZ [28]3 years ago
8 0

The correct answer is: f(A2) = 0.0300 f(A1) = 0.9997

If 9 in 10,000 newborn babies have the disease, that means that the frequency of recessive homozygous is 9/10000=0.0009.

According to Hardy-Weinberg equilibrium p2+2pq+q2=1 (p+q=1) where p2 is frequency of dominant homozygous (only p is dominant allele), 2pq is frequency of heterozygous and q2 is the frequency of recessive homozygous (only q is the frequency of recessive allele). This means that q2=0.0009 and (A2) q=0.03. p (A1)=1-0.03=0.97  

You might be interested in
Can abnormal behavior cause internal distress not seen by others?
d1i1m1o1n [39]

Answer:

Under this definition, a person's thinking or behavior is classified as abnormal if it violates the (unwritten) rules about what is expected or acceptable behavior in a particular social group. Their behavior may be incomprehensible to others or make others feel threatened or uncomfortable.

Explanation:

8 0
2 years ago
Read 2 more answers
Most species of cyanobacteria are enclosed in _____.
Bogdan [553]

Answer:

a mucus or a gelatinous sheath

Explanation:

Most species of cyanobacteria are enclosed in a gelatinous sheath which is made up of proteins.

8 0
3 years ago
Read 2 more answers
Please help me!! 15 points!!!!!
Karolina [17]

Image 1.1 -

Stomata are little moth-like structures in leaves, that, when open, allow the exchange of gases between the plant and the exterior.

Answer:

B.

Image 1.2 -

Without the existance of stomata, the process of transpiration wouldn't be possible if there weren't structures thata allowed the exchange of gases.

Answer:

A.

Image 2 -

So, we can elminate plants because they can photosynthesise; bacteria because they are prokaryotes and can photosynthesise; archaea because they are prokaryotes; hat leaves us with animals and fungi because these cannot photosynthesise and are both eukaryotes.

But, we cannot skip information. It is also said that the organism found has a cell wall, and animals do not have cell walls.

Answer:

C.

Image 4 -

Option 1 = cilia

Option 2 = flagella

Option 3 = pseudopods

Option 4 = pili (they're a meant to attacht to surfaces only bacteria)

Image 5 -

Runner stems are those that grow horizontally, therefore the fourth image with the long horizontal stems.

Rhizome stems are underground stems that can form roots or shoots through their nodes. Therefore, the third image with white background (the one with 2 drawn plants).

Tuber stems are large underground (mostly) structures used as storages for the plant. Therefore, this corresponds to the first image (the one with the white background.

Bulb stems are short and "bulby" stems, whith thick, leaves. Therefore, the second image (the one with the grass background).

Hope it helped,

BioTeacher101

7 0
3 years ago
All penguins living together in one area is called a ___?..........
alukav5142 [94]
~ C. Population

Population is all the inhabitants of a particular town, area, or country.
3 0
3 years ago
Read 2 more answers
A P E X
s344n2d4d5 [400]
It is c. White blood cells
8 0
3 years ago
Other questions:
  • Where is dna and chromosomes located
    10·1 answer
  • What does meiosis have to do with?
    13·1 answer
  • Science! Please help, Thanks if you do.
    10·1 answer
  • In everyday life, a theory is an educated guess. In science a theory is
    8·2 answers
  • Which drink best meets the requirement for a 4:1 carbohydrate to protein ratio?
    11·2 answers
  • What is the percent yield of the reaction below if 84.0 grams of Al2O3(s) is recovered from a reaction whose theoretical yield o
    5·1 answer
  • Anyone looking forward to the holidays? that might be the only thing good out of this year
    15·1 answer
  • Every year, 25 km 3 of sand is deposited on a beach by a nearby river, and 28 km 3 of sand is removed by wave action. Is the siz
    9·1 answer
  • How do i write an email to apply for university
    8·1 answer
  • Which group of fishes includes a lineage that migrated out of fresh water and adapted to life on land?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!