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
iren [92.7K]
3 years ago
7

A scientist is able to test the effect of

Biology
2 answers:
Len [333]3 years ago
8 0
2. Multiple variables 
Angelina_Jolie [31]3 years ago
8 0
It should be a single variable, or A.  Please mark Brainliest!
You might be interested in
Why only female mosquito is responsible for the transfer of disease?​
Sphinxa [80]

Explanation:

Issun Sengeki... Messatsu!

Alike of what the other guy said, only the female mosquito sucks blood.

Being that this is true, the mosquito(s) could have been in any environment. They could carry diseases and illnesses. On top of that, they can carry microscopic organism, unlike diseases, that can cause infections.

5 0
4 years ago
No stripe on the head (H) is dominant, a black stripe on the head is recessive. If dad's genotype is Hh, what are the odds that
olga55 [171]

The chance of the offsprings with stripe on head is 50%.

Option A.

<h3><u>Explanation:</u></h3>

Here according to the figures, the male is the brown one which has no stripe on his head as mentioned, and the female is the pink one who has a stripe on her head. The gene for the head stripe is denoted by H.

So the genotype of the father which is given as Hh. He is heterozygous.

The genotype of the mother should be hh as she has stripe and she must be homozygous recessive to have it.

So the gametes from father is H and h. Whereas the gametes from mother is only h.

So the genotype of the offsprings are Hh and hh as 50% each.

So the probability of the offspring being striped head is 50%.

7 0
3 years ago
In 1883, a catastrophic event caused climate change, a massive tidal wave, and violently red sunsets. Which event below would be
bezimeni [28]
It’s A: a volcanic eruption
3 0
3 years ago
How are respiratory illnesses primarily spread?
ipn [44]

Answer:

coughing and sneezing

4 0
3 years ago
Read 2 more answers
The alleles for height are labeled T for tall and t for short. If the resulting plant is tt, it will be _____. Question 11 optio
lesya692 [45]
B) short because it has both t alleles and no T alleles
5 0
3 years ago
Other questions:
  • If a forest has many large trees with lots of leaves, what will most likely be found
    15·1 answer
  • Which is a homologous structure to the human forearm?
    14·2 answers
  • Which organelles do viruses posses
    13·1 answer
  • There are four essential components of labor. The first is the passageway. It is composed of the bony pelvis and soft tissues. W
    5·1 answer
  • A bumblebee carries pollen from the male portion of a plant to the female portion of the similar plant. Fertilization occurs. Wh
    14·2 answers
  • A gene includes the sequence AGAACT. When it is transcribed, what will the RNA sequence be? A. UCUUGA B. UGCCGU C. UCUUTC D. TCT
    15·1 answer
  • 2. The cytoskeleton of animal cells includes three types of proteins, and the cytoskeleton of plant cells includes two types of
    14·1 answer
  • What happens in the cytoplasm?
    15·1 answer
  • What are the three benefits of social behavior
    5·1 answer
  • genetic disorders can result when chromatids fail to separate properly during which phase is this a problem
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!