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
GarryVolchara [31]
4 years ago
10

In swine, when a pure-breeding red is crossed to a pure-breeding white, the F1 are all red. However, the F2 shows 9/16 red, 1/16

white, and 6/16 as a new color, sandy. A particular red individual (Parent 1) is crossed to a particular sandy individual (Parent 2), and the progeny is comprised of four sandy, three red, and one white piglets. What are the most likely genotypes of the two parents?
Biology
1 answer:
lana [24]4 years ago
4 0

Answer:

Parent 1 : AaBb

Parent 2: aaBb or Aabb

Explanation:

In this cross two genes are involved and they are duplicate genes with cumulative effect i.e. individually they show the same phenotype but when together, they produce a new phenotype. Here,

A_B_ = red

aaB_ = sandy

A_bb = sandy

aabb = white

The progeny in question has a white piglet (aabb) so it must have got a set of "ab" gametes from both parents. Since parent 1 has red phenotype it should also have one A and B allele. Hence its genotype is AaBb.

Parent 2 should also contribute an "ab" pair to white piglet and it has sandy colour which is produced by either an A allele or a B allele so its genotype should be Aabb or aaBb.

You might be interested in
A couple, both carriers of cystic fibrosis (CF) alleles, can decrease their odds of having a child with CF by performing an in v
ioda

The procedure can decrease the odds of having a child with CF by performing an in vitro fertilization procedure and screening the embryo for the CF alleles is referred to as preimplantation genetic diagnosis.

<h3>What diseases can be detected by preimplantation genetic diagnosis?</h3>

Pre-implantation genetic diagnosis (PGD) is the testing of embryos or oocytes at the pre-implantation stage for genetic defects.

It can be used to diagnose cystic fibrosis, Tay-Sachs disease, Hemophilia, etc.

Thus, the procedure can decrease the odds of having a child with CF by performing an in vitro fertilization procedure and screening the embryo for the CF alleles is referred to as preimplantation genetic diagnosis.

For more details regarding Pre-implantation genetic diagnosis, visit:

brainly.com/question/13079471

#SPJ1

4 0
2 years ago
Describe three characteristics of cell membranes
Phoenix [80]

Answer:

Explanation:

The cell membrane, also called the plasma membrane, has the following characteristics:-

It is present as the outermost layer in animal cells and lies below the cell wall in plant cells.

The cell membrane surrounds the cytoplasm of living cells, physically separating the intracellular components from the extracellular environment.

The cell membrane is semi-permeable, ie, it allows some substances to pass through it and does not allow others.

It is thin, flexible and a living membrane, which consists of a lipid bilayer with embedded proteins/

The cell membrane has large content of proteins, typically around 50% of membrane volume. These proteins are important for cell because they are responsible for various biological activities.

4 0
3 years ago
Science extends our understanding of creation. TRUE or FALSE
IrinaVladis [17]

Answer:

true

Explanation:

4 0
3 years ago
The cell membrane regulates and controls what kind of ________ move in and out of the cell.
Fudgin [204]

Answer:

Molecules

Explanation:

I remember it from when I was in 8th grade and I had physics and science for my year in 8th so yeah that’s how I got that answer.

4 0
3 years ago
What type of blood vessel usually carries oxygen rich blood
tangare [24]

Answer: artery

Explanation:

The artery is the blood vessel that carry oxygenated (oxygen-rich) blood away from the heart while the vein carry deoxygenated(oxygen-poor) blood from the body to the heart.

Hence, all arteries carry oxygenated blood except pulmonary artery while all veins carry deoxygenated blood except pulmonary vein.

5 0
3 years ago
Read 2 more answers
Other questions:
  • What are the benefits of using a graph? select all that apply.
    7·1 answer
  • Major chemical components of a chromosome are ______________.
    12·1 answer
  • PLEASE HEP I WILL GIVE BRAINLY!!!!
    6·1 answer
  • Which type of transport is responsible for oxygen entering into blood cells?
    8·1 answer
  • Suppose you were interested in the effect of breastfeeding versus formula feeding on the composition of gut flora in newborns. A
    6·1 answer
  • The largest population size a given environment can sustainably support is known as its a biotic potential b limiting capacity c
    14·1 answer
  • What is an anticodon?*
    6·1 answer
  • 4x+5&gt;5x-2 for x<br> the answer can be <br> x&gt;7<br> x&lt;7
    10·1 answer
  • Macth each description with the correct process
    15·1 answer
  • Where do we find the most earthquake resistant buildings
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!