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
AURORKA [14]
4 years ago
3

An individual possesses two alleles at a locus and these two alleles separate when gametes are formed, one allele going into eac

h gamete. This genetic concept is known as
a. the chromosome theory of heredity.
b. principle of segregation.
c. concept of dominance.
d. principle of independent assortment.
e. reciprocal cross.
Biology
1 answer:
Serggg [28]4 years ago
5 0

Answer: Option B) principle of segregation.

Explanation:

The principle of segregation is also known as Mendel's 1st law of heredity. It explains how a diploid individual with two different alleles (heterozygous) occupying the same locus on the homologous chromosomes e.g "Rr", would seperate to yield 'R' and 'r'.

Then, the alternative alleles 'R' and 'r' seperated during meiosis would each go randomly to a different gamete to be crossed with other gametes to form a zygote with diploid number as offspring having a different genetic constituent to that of the parents

Thus, the principle of segregation is the answer.

You might be interested in
5. List three mechanisms by which Earth's albedo can be increased.
KIM [24]

Explanation:

1. A decrease in the number of greenhouse gases that humans produce will result in lowered global temperatures. This will allow the ice sheets in the polar regions to increase increasing also albedo.

2. Using light-colored building materials on houses and pavement in urban centers will work towards increasing albedo as more sunlight is refelcted back by built environments.

3. Decreased deforestation/increase in aforestation increases the earth’s sirface albedo because vegetation reflects back more sunlight than the earth’s bare surface.

6 0
4 years ago
Why did we need to measure the absorbance at two wavelengths during the beta-galactosidase lab?
Gnom [1K]

While the absorbance at 420 nm is related to the amount of o-nitrophenol produced, the absorbance at 600 nm is proportional to cell density, which aids in standardizing our estimations of enzyme activity.

<h3>Describe absorbance.</h3>

The amount of light absorbed by a solution is measured by its absorbance (A), often referred to as optical density (OD). The amount of light that may flow through a solution is called its transmittance.

<h3>How is the activity of beta-galactosidase determined?</h3>

The colorless ONPG substrate is changed by beta-Galactosidase into galactose and the chromophore o-nitrophenol, which results in a vivid yellow solution. The amount of substrate transformed at 420 nm can be calculated by measuring the solution's beta-galactosidase activity using a spectrophotometer or a microplate reader.

<h3>What is measured by the beta-galactosidase assay?</h3>

The -Gal Assay Kit gives users the tools they need to swiftly assess the amounts of active beta-galactosidase expressed in cells that have been transfected with plasmids encoding the lacZ gene.

learn more about absorbance here

<u>brainly.com/question/26830274</u>

#SPJ4

4 0
2 years ago
________ thousands of tiny projections that add even more surface area to villi​
victus00 [196]

Answer:

Each villus, in turn, has thousands of even smaller projections called microvilli (singular: microvillus).

Explanation:

The villi contain capillaries, which are tiny blood vessels. Nutrients are absorbed into these capillaries across the surfaces of the villi and microvilli. Because there are millions of these tiny projections, they greatly increase the surface area for absorption.

6 0
3 years ago
Anyone know how to answer this?
Vaselesa [24]
What exactly is the question?
5 0
3 years ago
What occurs during the s (synthesis) phase of the cell cycle? choose the correct answer. dna replication cell growth cell divisi
disa [49]
During<span> what </span>phase<span> of the </span>cell cycle<span> does </span>cell division occur<span>? </span>S<span> (</span>synthesis<span>). </span>During<span> ... </span>G2<span>, </span>S<span>, G1, M. </span>Cell<span>grows, </span>DNA replication<span>, </span>cell<span> prepares for mitosis, </span>cell division<span> ... of the </span>cell cycle<span>? Interphase- G, </span>S<span>, </span>G2<span>normal </span>cell growth<span>/prep for division.</span>
7 0
3 years ago
Read 2 more answers
Other questions:
  • With GPS, a single satellite can be used to calculate latitude and longitude. Please select the best answer from the choices pro
    13·2 answers
  • The callus that develops at the fracture site is important because it provides:
    9·1 answer
  • Choose the correct order of classifying organisms in the Linnaean system. kingdom→phylum→ class→ order→ genus→ family → species
    5·1 answer
  • What is ne function of the smooth endoplasmic reticulum?
    13·1 answer
  • Humans are protected by some infections by specialized cells which produce chemicals that .... a- destroy microbes
    12·1 answer
  • In the problem · n = 1, n must be _____.
    5·1 answer
  • Question 5
    11·2 answers
  • Which of the following functions is NOT associated with the spinal cord?
    6·1 answer
  • RNA codes for the sequence of building blocks from which proteins are made. What monomer best describes these building blocks
    5·1 answer
  • Which population would most likely be able to persist over many generations, despite having limited genetic variability
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!