Question

Pls help answer these❗️❗️❗️(Don’t answer if you aren’t entirely sure)

1) The following table describes some biotechnological processes. (I’ll submit it below)
Which biotechnological processes are described in the table?
A. Both processes describe cloning
B. Both processes describe genetic engineering
C.Process one describes cloning and process two describe artificial selection
D. Process one describes artificial selection and process two describes cloning

2) A certain trait occurs as a continuous variation. What is the pattern of inheritance for this trait?
A. Codominant
B. Dominant
C. Polygenic
D. Recessive

3) In a species of mice a single gene determines fur color. The two alleles for fur color are black (B) and white (W). Which of the following is most likely true if the alleles for fur color show codominance?
A. The BW mice would be black
B. The BB would be white
C. The BW mice would have black and white patches
D. The WW mice would have black and white patches

4) The trait of height in humans shows continuous variations as it’s controlled by several genes. Which inheritance pattern does height in humans represent?
A. Homozygous
B. Heterozygous
C. Multiple alleles
D. Polygenic

Answer 1

1. C. Process one describes cloning and process two describe artificial selection

Through cloning a genetically identical individual is obtained from a single individual. Through artificial selection a hybrid between two individuals with desirable traits is obtained.

2. C. Polygenic

A trait that has a continuous variation has a polygenic inheritance pattern as it is controlled by multiple genes.

3. C. The BW mice would have black and white patches

Codominant genes will produce an individual with an intermediate phenotype as both alleles are simultaneously expressed in the heterozygote.

4. D. Polygenic

Polygenic inheritance occurs when two or more genes determine a trait that has a continuous variation. Each gene has a small effect, but all together have a cumulative effect. Examples of such patterns are height, sking color, eye color, weight etc.