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
11Alexandr11 [23.1K]
3 years ago
8

The offspring between 2 black mice show the ratio of 3 black mice to 1 white mouse...

Biology
1 answer:
Mkey [24]3 years ago
8 0

Answer: A) Black trait is dominant

B) The genotypes of the parents must be Bb

Explanation: Let B represent the allele for black colour and b represent the allele for white colour. If the offspring between 2 black mice show the ratio of 3 black mice to 1 white mouse, it then means that the two parents are heterozygous for black colour, that is each of them have one allele for black colour (B) and one allele for white colour (b). They both have a genotype of Bb.

Bb x Bb = BB, Bb, Bb, and bb.

This means 1BB : 2Bb : 1bb

BB is black, Bb is black while bb is white which gives a ratio of 3 black mice to one white mouse. For Bb to manifest as black, it means that B is dominant to b.

You might be interested in
Help Plz!!
lyudmila [28]
B.) A dog walks to a stream and drinks when it gets thirsty  

would have to be your answer..


8 0
4 years ago
Potassium (K) and copper (Cu) are both in period 4. They both have _____.
Virty [35]

Answer:A): four electron shells

Explanation:

In the period table, atoms are arranged in rows called periods and columns called groups. The arrangement of atoms in groups is based on the number of their valence electrons while the arrangement of atoms across the periods is based on their number of electrons shells. Atoms are arranged across the periods in increasing order of their atomic number i.e., according to their number of electrons. Potassium has 19 electrons while copper has 29 electrons. Both has four electrons shells according to their electronic configuration.

5 0
4 years ago
The bone from which a skeletal muscle begins is called its origin. <br> a.true <br> b.fals
Gre4nikov [31]
This is true. it is called origin.
6 0
4 years ago
The process by which an adult organism arises is called
Artyom0805 [142]
It is called Maturation,  Development, and Growth
7 0
3 years ago
Evaluate the impact of an environment change on the vulnerability of:
Vitek1552 [10]
On the off chance that tuberculosis was more powerless against anti-infection agents then it is simpler to treat and we won't have such a high occurrence. On the off chance that tuberculosis was less powerless against anti-toxins then it would be significantly more hard to treat and we would have substantially higher rates. Tuberculosis is to a great degree infectious and can spread effortlessly before somebody even knows they are wiped out with it. TB treatment takes somewhere in the range of 6 months up to years contingent upon how awful it kicked before treatment off.
3 0
4 years ago
Other questions:
  • Fossils are related to evolution justify this statement
    15·1 answer
  • A farmer sows pieces of potato with buds in the soil to grow more potatoes. Which kind of asexual reproduction is this?
    9·2 answers
  • Can someone please help me on question 115
    13·1 answer
  • A geologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit
    5·1 answer
  • Cardiac muscle causes movement in the
    14·2 answers
  • ¿ Qué es el colágeno ? Definición corta
    6·1 answer
  • Imagine that one egg cell unites with one sperm cell at fertilization. Nine months later, twin brothers are born. Select all of
    14·1 answer
  • 1. In what form is O2 transported from the lungs to the tissues​
    6·1 answer
  • Use the concept of natural selection to explain why organisms typically adapt over time
    13·1 answer
  • True or false: Meiosis is a method of reproduction for some single-celled organisms
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!