وراثت

Written by Dr. Hira Salman (Biology)

دسویں جماعت · حیاتیات · 10 سوالات

نام: ____________________ تاریخ: ____________

The father of genetics is:
- A Darwin
- B Pasteur
- C Hooke
- D Mendel
Different forms of the same gene are called:
- A Alleles
- B Chromosomes
- C Genomes
- D Traits
In a cross between two heterozygous tall plants (Tt x Tt), the fraction of tall offspring is:
- A 1/2
- B 1/4
- C 3/4
- D All
The genetic makeup of an organism is its:
- A Species
- B Genotype
- C Habitat
- D Phenotype
DNA stands for:
- A Dioxyribonucleic acid
- B Double nucleic acid
- C Deoxyribonucleic acid
- D Deoxyribose nitrogen acid
Humans have how many pairs of chromosomes?
- A 48
- B 22
- C 23
- D 46
A dominant allele is shown by a:
- A Capital letter
- B Number
- C Symbol only
- D Small letter
An organism with two identical alleles is:
- A Heterozygous
- B Hybrid
- C Mutant
- D Homozygous
In humans, the sex chromosomes of a male are:
- A YY
- B X only
- C XY
- D XX
Genes are made of:
- A Starch
- B Protein only
- C Fat
- D DNA

جوابی کلید

1. D, 2. A, 3. C, 4. B, 5. C, 6. C, 7. A, 8. D, 9. C, 10. D