12. Meiosis
Genes & Alleles
- Multiple ChoiceWhat are different versions of a gene for the same trait called?221views
- Multiple ChoiceHow can dominance and expression of alleles explain the phenotypic differences between fraternal twins?303views
- Multiple ChoiceWhich best describes the relationship between DNA, genes, and chromosomes?15views
- Multiple ChoiceHow do the chromosomes of different people generally compare in terms of genetic content?305views
- Multiple ChoiceIn a population of 100 individuals, where each individual has two alleles for a gene, and 40 individuals are homozygous for the 'b' allele, what is the total number of 'b' alleles in the population?214views
- Multiple ChoiceWhere do organisms primarily acquire their traits from?266views
- Multiple Choice
Alternate forms of the same gene are called:
3681views27rank - Multiple Choice
All human cells, except sex cells, are diploid and have 23 pairs of chromosomes. Human sex cells, such as egg and sperm, are haploid and have _______ chromosomes.
4638views41rank1comments - Multiple ChoiceWhat is a locus?1913views
- Multiple ChoiceHow many genes are present in the human genome?1702views
- Textbook Question
If an intestinal cell in a grasshopper contains 24 chromosomes, then a grasshopper sperm cell contains ___________ chromosomes.
a. 6
b. 12
c. 24
d. 48
1018views - Textbook Question
Which of the following statements correctly describe the relationship between genes and chromosomes?
a. Genes are chromosomes.
b. Chromosomes contain many genes.
c. Genes are made up of hundreds or thousands of chromosomes.
d. Genes are assorted independently during meiosis, but chromosomes are not.
e. More than one of the above is correct.
2139views - Textbook Question
An allele is a ________.
a. Version of a gene
b. Dysfunctional gene
c. Protein
d. Spare copy of a gene
e. Phenotype
1449views - Textbook Question
How many genes are there in a human sperm cell?
a. 23
b. 46
c. About 21,000
d. about 3 billion
1606views - Textbook Question
Plant species A has a diploid chromosome number of 12. Plant species B has a diploid number of 16. A new species, C, arises as an allopolyploid from A and B. The diploid number for species C would probably be
a. 14
b. 16
c. 28
d. 56
1452views