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
Natasha2012 [34]
3 years ago
7

What is the most difficult part of a controlled experiment?

Biology
2 answers:
aniked [119]3 years ago
5 0
3.) Testing multiple variables.
Andrej [43]3 years ago
3 0

Answer: testing only ONE variable

You might be interested in
Which building or business in the city represent the mitochondria and why?
fiasKO [112]

Answer: Power company

7 0
3 years ago
If only a single member of a pair of chromosomes is present in a cell, it is a _____ condition and is most likely a _____ cell.
BartSMP [9]
Haploid; reproductive

After the halving of chromosomes, the cell becomes a haploid and this is done for gametes, or reproductive cells.
4 0
3 years ago
Patients with severe, uncontrolled diabetes can eventually suffer kidney failure. Jack works in a laboratory that is attempting
Aneli [31]
The answer is B mesoderm because the embrionery orgin of the kidney is in the mesoderm
8 0
3 years ago
Read 2 more answers
What is one possible result of an ovary not performing its intended function in the body?
Nataly [62]
One result is that the ovaries would be unable to produce oocytes (eggs) for fertilization hence the woman would be unable to conceive. Another is that the woman would have an abnormal menstrual cycle due to abnormalities in the production of estrogen and progesterone by the ovary.
3 0
3 years ago
Read 2 more answers
Red-green color blindness is inherited as an X-linked recessive (Xc). If a color-blind man marries a woman who is heterozygous f
skad [1K]

Answer:

25% colorblind daughter: 25% colorblind son: 25% carrier daughters with normal vision: 25% normal son.

Explanation:

The genotype of a color-blind man is X^cY and the genotype of the heterozygous carrier female is X^cX. A cross between X^cY and X^cX would produce a progeny in following ratio=  

25% colorblind daughter: 25% colorblind son: 25% carrier daughters with normal vision: 25% normal son.

Therefore, the couple is likely to have 50% normal son and 50% affected son. Likewise, the couple is likely to have 50% normal daughters and 50% colorblind daughters.  

3 0
3 years ago
Other questions:
  • Why is forecasting human population growth more difficult than forecasting population growth in other animals?
    12·1 answer
  • Which statement(s) corresponds correctly to a mutation?
    8·1 answer
  • If water was a non polar molecule how would the properties of water be different
    8·2 answers
  • HELPPPPP WILLL GIVE BRAINLIEST!!!!!RATE!!!!! AND THANKS!!!!! EASY BUT IM DUMB!!!!
    5·1 answer
  • 38. All the bald eagles in an area is an example of a(n):
    10·2 answers
  • How do you think a period of hot summers will affect the rabbit population?
    12·1 answer
  • Which word best describes how many alleles there are for most genes: one, two, or multiple?
    13·1 answer
  • The pyramid represents the flow of energy between populations in an ecosystem. Energy is lost as heat as it flows between the tr
    12·1 answer
  • PLEASE HURRY!!!!!!!!!!!!!
    15·1 answer
  • Which gas is produced as a result of cellular respiration.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!