The chromosome theory of inheritance states that
A: All are correct
B: chromosomes are made of DN
C: genes are located on chromosomes.
D: alleles of a gene segregate during cell division.
A: All are correct
B: chromosomes are made of DN
C: genes are located on chromosomes.
D: alleles of a gene segregate during cell division.
举一反三
- What is the reason that linked genes are inherited together? A: The number of genes in a cell is greater than the number of chromosomes. B: Genes align that way during metaphase 1. C: They are located on the same chromosome. D: Alleles are paired.
- Genes come in different versions called: A: alleles B: loci C: genetypes D: chromosomes E: genomes
- Which of the following does not lead to the formation of aneuploid gametes? A: Failure of homologous pairs to separate at anaphase B: A mutatation in a single gene located on chromosome 2. C: A pair of sex chromosomes that does not separate during anaphase D: A set of sister chromotids that doest not separate during anaphase I
- Most of the X-lined genes in humans are expressed in equal amounts between males and females because A: only one of the two X chromosomes is active in each cell in the females. B: X-linked genes on the X chromosome in males are expressed two-fold higher than in females. C: only one X chromosome is kept after fertilization. D: Half of the RNA transcripts from X chromosomes in female cells are degraded after transcription.
- Linked<br/>genes are A: found<br/>on the same chromosome B: found<br/>in the same nucleus C: found<br/>only on sex chromosomes D: joined<br/>by a centromere