Question

Which genetic abnormality can be identified through karyotyping?
(1 point)
Sex-linked allele Recessive allele Extra chromosome Point mutationSolve

Answer 1

Extra chromosome

Answer 2

Meiosis creates (1 point)
Two genetically different somatic cells Four genetically identical gametes Four genetically different gametes Two genetically identical somatic cells

Answer 3

Four genetically different gametes

Answer 4

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

Answer 5

Gamete

Answer 6

A human skin cell contains 46 chromosomes. How many chromosomes are present in a human sperm cell? (1 point)
92 23 46 138

Answer 7

23

Answer 8

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

Answer 9

50% tall, 50% short