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
LekaFEV [45]
3 years ago
5

magine you are trying to determine the phenotypic ratio of hair color. Brown (B) hair color is the dominant trait and blonde (b)

hair color is the recessive trait. What is the phenotypic ratio if one parent is heterozygous and the other parent is homozygous recessive for this trait? Group of answer choices 3:1 (brown:blonde) 3:1 (blonde:brown) 1:1 (brown:blonde)
Biology
1 answer:
skad [1K]3 years ago
8 0

Answer:

1:1 (brown:blonde)

Explanation:

Brown hair color (B) is dominant over blonde hair color (b).

Heterozygous parent will have the genotype Bb

Homozygous recessive parent will have the genotype bb.

Crossing hetezygous parent with homozygous recessive parent:

Bb   x   bb

Progeny: Bb, Bb, bb, and bb.

2 Bb brown hair

2 bb blonde hair

Phenotypic ratio = 1:1 (brown:blonde)

The correct answer is  1:1 (brown:blonde).

You might be interested in
two scientists do not agree on which type of grocery bag is better for the environment what is the most likely outcome of this d
Zigmanuir [339]
As long as it’s not a plastic bag then it is good for the environment.

SaVe tHe TurTles sksksks
6 0
3 years ago
Which is usually associated with a faster reaction rate?
cupoosta [38]

A, C, D, A, D.

Hope this helps!

◔ ⌣ ◔


4 0
3 years ago
Rachel Carson was one of the first ecologists to warn against the widespread use
Mice21 [21]

Answer:

Explanation:

chel Carson was born just over 100 years ago in 1907. ... 1. Silent Spring was directed against the chemical industry and its production of deadly pesticides. ... “the elimination of the use of persistent toxic pesticides should be the goal”—as ... chemicals has shifted from cancer and the potential for genetic

7 0
3 years ago
1) How has the classification of living things have changed over time?
skad [1K]
1) Because we are constantly discovering new species of organisms, the system of classification is growing.

2) In order for scientists to write, learn, and retrieve data about organisms, there most be an organized filing system in place.
4 0
4 years ago
Explain why water is critically important to most facets of human life.
Llana [10]
Everyone needs water to survive. Just like we need oxygen we need water.
8 0
3 years ago
Read 2 more answers
Other questions:
  • A sports drink company develops a new product that is advertised to decrease soreness after rigorous exercise. Which of the foll
    15·2 answers
  • Many people have a tendency to think that heat and temperature are the same thing. However, this is not true. Heat describes
    15·2 answers
  • What is the name for the external structures of the female reproductive system?
    12·1 answer
  • What three cellular structures are found in plant cells but not animal cells?
    9·1 answer
  • Longer fat chains are generally digested in the?
    8·1 answer
  • Write briefly on the cervical vertebrae​
    6·1 answer
  • It is impossible for sperm to be functional (able to fertilize the egg) until after ________. Group of answer choices
    5·1 answer
  • For hundreds of years one species of moth has always gone back to the same type of tree in the forest to breed. A small portion
    6·1 answer
  • Diverse mammals developed and began to flourish in the Cenozoic era . Which of the following also began to develop and flourish
    7·2 answers
  • Which of these choices do both sustainable and organic agriculture avoid?
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!