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The diploid number of chromosomes in a human skin cell is 46. How many chromosomes are in a human egg cell?
The chromosome number will stay constant from one generation to the next
nondisjunction
XX
23 chromosomes
body cells are diploid and gametes are haploid
alleles of a gene separate from each other during meiosis
dominance
Each cell has half the normal number of chromosomes and the cells are usually genetically different
The law of segregation explains that
The chromosome number will stay constant from one generation to the next
nondisjunction
XX
23 chromosomes
body cells are diploid and gametes are haploid
alleles of a gene separate from each other during meiosis
dominance
Each cell has half the normal number of chromosomes and the cells are usually genetically different
Which is the karyotype for the twenty-third pair of chromosomes of a normal human female?
The chromosome number will stay constant from one generation to the next
nondisjunction
XX
23 chromosomes
body cells are diploid and gametes are haploid
alleles of a gene separate from each other during meiosis
dominance
Each cell has half the normal number of chromosomes and the cells are usually genetically different
Why is it important that the number of chromosomes be reduced during meiosis?
The chromosome number will stay constant from one generation to the next
nondisjunction
XX
23 chromosomes
body cells are diploid and gametes are haploid
alleles of a gene separate from each other during meiosis
dominance
Each cell has half the normal number of chromosomes and the cells are usually genetically different
Which of Gregor Mendel's discoveries is represented when a black dog and a white dog mate, and all the resulting puppies are black?
The chromosome number will stay constant from one generation to the next
nondisjunction
XX
23 chromosomes
body cells are diploid and gametes are haploid
alleles of a gene separate from each other during meiosis
dominance
Each cell has half the normal number of chromosomes and the cells are usually genetically different
Which statement correctly describes the genetic makeup of the sperm cells produced by a human male?
The chromosome number will stay constant from one generation to the next
nondisjunction
XX
23 chromosomes
body cells are diploid and gametes are haploid
alleles of a gene separate from each other during meiosis
dominance
Each cell has half the normal number of chromosomes and the cells are usually genetically different
Which term describes the failure of homologous chromosomes to segregate properly during meiosis?
The chromosome number will stay constant from one generation to the next
nondisjunction
XX
23 chromosomes
body cells are diploid and gametes are haploid
alleles of a gene separate from each other during meiosis
dominance
Each cell has half the normal number of chromosomes and the cells are usually genetically different
Which statement correctly describes the number of chromosomes in body cells and gametes?
The chromosome number will stay constant from one generation to the next
nondisjunction
XX
23 chromosomes
body cells are diploid and gametes are haploid
alleles of a gene separate from each other during meiosis
dominance
Each cell has half the normal number of chromosomes and the cells are usually genetically different
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