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
lara [203]
3 years ago
13

4. A homozygous dominant female is crossed with a heterozygous male, what

Biology
1 answer:
vesna_86 [32]3 years ago
5 0

Answer: genotypic ratio 2/4

Phenotypic ratio 4/4 is the same

Explanation: suppose RR is the dominant female and Rr is the heterozygous male. Then after the cross genetically 2 have RR and 2 have Rr ratio. But phenotypically all 4 are the same.

You might be interested in
some heterozygous alleles create variations in expression so that there is not a clear dominant or recessive allele true or fals
Simora [160]

Answer: False

 The variations in expression depends on how genes code for proteins that would specify whether it will be dominant or recessive allele.   Within a population, there may be a number of alleles for a given gene and these differences can cause variations in the protein that is produced. The change in protein expression affect traits due to the variations in protein activity or expression that produce different phenotypes.

<span>Moreover, individuals that have copies of different alleles are known as heterozygous and individuals that have two copies of the same allele are referred to a homozygous. The expression patterns observed in inheritance will depend on whether the allele is found on an autosomal chromosome or a sex chromosome, and on whether the allele is dominant or recessive.</span>

 

7 0
3 years ago
Read 2 more answers
What parts of your body should have protection whenever you fire a handgun?
svp [43]
In firing a handgun, it is best to have protection in the eyes and ears. It could be seen to those people who are practicing shooting and to those who are authorize to use a hand gun. The reason why these are needed to be protected because firing a hand gun is loud enough that it could damage the ears when not protected and in the same time if eyes is not protected and the hand gun could have any complication or dysfunction, it could affect the eyes. 
3 0
3 years ago
The science of the classification of organisms is<br> ???
Reil [10]

Answer:

Taxonomy. Quick google search. :)

Explanation:

6 0
3 years ago
Explain how the fossil record indicates a long history of changing life forms.
sergey [27]
<h2><u>Answer:</u></h2>

Fossil: is preserved pre historic life form present under ground at high pressure for a long time.Animal die and burried under layers of sediments.

It provides evidence about the history of life on earth. It also shows  different groups of organisms, including species,that have changed over time. Because the formation of any fossil depends upon the precise combination of conditions.

As the world changes, plants and animals change with time . From fossils we compare organisms of modern time with ancient , the species we see today are very different from species that lived in the past. Thus, the fossil record can be used to show that organisms changed to meet new condition.


4 0
3 years ago
Read 2 more answers
Can you organize these terms that describe the different kinds of cell division?
Rudik [331]
In general, there are three types of Cell division :
- Binary fission, a division process on which a cell is completely cloned, forming 2 exact same cells
- Mitosis , a division of a somatic cell of Eukaryotic organisms
- Meioses, a cell division that produces gametes

hope this helps
4 0
3 years ago
Other questions:
  • What is a type of Liquid fuel derived from plant materials
    5·2 answers
  • Where does first pass metabolism occur? / what route of administration is used to avoid complete first pass metabolism?
    14·1 answer
  • Why does the reporter have a tube up his nose?
    8·1 answer
  • Whats a biological system
    9·1 answer
  • Living organisms do not play a role in the water cycle.<br> True Or false?
    7·2 answers
  • In Biosafety Level 2 labs, workers must have specific training in handling pathogenic agents and be supervised by scientists com
    12·1 answer
  • What type of JOINT is found in the skull? (Technically the subject is Anatomy)
    13·2 answers
  • Homeostatic mechanisms :
    13·1 answer
  • Whats sex? BTW i am 15
    5·1 answer
  • Phương pháp cố định mẫu
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!