Which genetic abnormality can be identified through karyotyping?
(1 point)
Sex-linked allele Recessive allele Extra chromosome Point mutationSolve
Extra chromosome
Meiosis creates (1 point)
Two genetically different somatic cells Four genetically identical gametes Four genetically different gametes Two genetically identical somatic cells
Four genetically different gametes
When a mutation causes a genotype change in offspring, the mutation most likely occurred in which type of cell from the parent? (1 point)
Skin cell Gamete Neuron Blood cell
Gamete
A human skin cell contains 46 chromosomes. How many chromosomes are present in a human sperm cell? (1 point)
92 23 46 138
23
In a genetics laboratory, two heterozygous tall plants (Tt) are crossed. If tall (T) is dominant over short (t), what are the expected phenotypic results? (1 point)
75% tall, 25% short 50% tall, 50% short 25% tall, 75% short 100% tall