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
Natali5045456 [20]
3 years ago
13

What phenotypic ratio is expected in the offspring? Write your answer as numeric values and use a colon to separate numbers (e.g

., 1:1)
Biology
1 answer:
vekshin13 years ago
8 0

Answer:

According to the statement of the question, this problem is solved by analyzing the sex chromosomes for the determination of sex, that is, as it does not present the problem (genotype and phenotype) of the parents, the indication that refers to the determination of sex, in women and his sex chromosomes are "XX" and the man who determines sex is "XY".

The result of sex in the offspring corresponding to the man, if the chromosome in the sperm fertilizes the ovule is "X", then the sex or phenotype of the individual will be "XX" (female) and if the fertilizing sperm is "Y" then the sex will be "XY" of male, the probability of being born female or male will be 50% and 50% and the ratio is 1: 1

You might be interested in
The ratio between mass and volume of mass per unit volume. <br>Solid <br>Volume<br>Mass <br>Density​
ycow [4]
Yes that’s right absolutely
6 0
2 years ago
If genetic drift is occurring you will be able to predict which allele will become more prevalent.
Blizzard [7]

Answer:

b. False

Explanation:

Genetic drift corresponds to a drastic casual alteration of the natural order, reaching the genotypic concentration of one or several species, not preliminarily involving natural selection factors, but caused by sudden events. As happens at random, it is impossible to predict which allele will be prevalent in a population suffering from genetic drift.

Such phenomenon is characterized by the occurrence of ecological catastrophes, for example: earthquakes, tsunamis, tornadoes, floods, burnings, avalanches and other processes, affecting a large population contingent.

Thus limiting the genetic content of a particular group, restricted to the prevailing individuals. It is up to them, integration into another population, if an adaptation is maintained, or over time, from geographic and later reproductive isolation, constitution of a new species (principle of the founding species).

In this situation, with low variability, differentiated individuals will experience a more significant selection pressure in relation to the ascending lineage, which minimized the achievements of selection due to the high number of living individuals.

During evolution, a hypothesis concerning the decimation of dinosaurs, which occurred around 66 million years ago, establishes not only the end of these animals, but of various life forms (including plants), due to a huge asteroid that would have reached planet, raising a dense cloud of dust resulting from the collision, compromising photosynthetic processes (dependent on solar energy), as well as the respiration and nutrition of organisms.

7 0
3 years ago
Four critical nutrients essential to sustain living organisms are?
Sophie [7]

Answer:

carbohydrates, proteins, fats, vitamins, and minerals

Explanation:

7 0
3 years ago
Read 2 more answers
Cells that secrete protein fibers in bone are called
Jet001 [13]

Answer:

Osteoblasts

Explanation:

Cells that secrete protein fibres in bones are called osteoblasts.

I hope this helps.

3 0
2 years ago
Which of the following statements is false? The hormone progesterone causes the endometrium to become thicker. After the ovarian
bazaltina [42]

Answer:

A woman creates new immature ova in the ovary each time she has a menstrual cycle.

Explanation:

During the menstrual cycle, hormones present in the body make the immature eggs 'mature' ones, in the ovary. About in half of the cycle, hormones make the release of the mature egg from the ovary and travels towards uterus. It can remain there for 24 hours and if not fertilized the it breaks down and released out.

3 0
3 years ago
Read 2 more answers
Other questions:
  • Use sperm and egg in the same sentence.
    14·2 answers
  • HELP PLS
    6·1 answer
  • What ways does a frog differ from a tadpole
    10·2 answers
  • Which part of a plant has the potential to produce a lateral shoot?
    6·2 answers
  • How did you test your hypothesis? which variables did you control in your experiment and which variable did you change in order
    14·1 answer
  • All of the following contain amino acids except a) hemoglobin b) cholesterol c) insulin d) enzymes e) antibodies
    8·2 answers
  • How is fresh water collected in the rain forest?
    15·2 answers
  • Marking people as brainlist:)
    5·2 answers
  • The hardest question ever: What is truth?
    13·2 answers
  • The interaction of two or more drugs in which the effects of the individual drugs are compounded or multiplied is Group of answe
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!