Gaokao Exam Biology: Genetics and Evolution 3

Question 1

Which term describes two species living in the same area at the same time that can potentially interbreed?

Accepted Answer

Sympatric populations

Answer

Allopatric populations

Answer

Parapatric populations

Answer

Peripatric populations

Question 2

Which type of inheritance occurs when both alleles are equally expressed in the heterozygote, such as AB blood type?

Accepted Answer

Codominance

Answer

Incomplete dominance

Answer

Epistasis

Answer

Pleiotropy

Question 3

What is the central dogma of molecular biology?

Accepted Answer

DNA → RNA → Protein

Answer

Protein → RNA → DNA

Answer

RNA → DNA → Protein

Answer

Protein → DNA → RNA

Question 4

Hardy-Weinberg equilibrium requires which of the following conditions?

Accepted Answer

No natural selection

Answer

Small population size

Answer

High mutation rate

Answer

Frequent migration

Question 5

Which organelle is responsible for producing ATP through cellular respiration, often called the 'powerhouse of the cell'?

Accepted Answer

Mitochondria

Answer

Golgi apparatus

Answer

Chloroplast

Answer

Endoplasmic reticulum

Question 6

A homozygous dominant plant (TT) is crossed with a homozygous recessive plant (tt). What fraction of offspring will be heterozygous?

Accepted Answer

1

Answer

0

Answer

1/4

Answer

1/2