Square on pedigree indicates what?
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Male
Circle on pedigree indicates what?
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Female
In a pedigree chart, a darkened square demonstrates a ________ .
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a diseased/affected male
__________ __________ do not respond normally to the body's control mechanisms and form
tumors
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Cancer cells
A heterozygous condition in which both alleles at a gene locus are partially
expressed and which often produces an intermediate phenotype.
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Incomplete dominance
Two genes of each pair of homologous chromosomes are separated from each other
during _________, so they end up in different gametes
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Meiosis
Cell division results in genetically __________ __________ __________
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Identical daughter cells
A __________ __________ occurs when alleles are identical for a trait
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Homozygous conditon
How does variation among traits get introduced in a species during Meiosis?
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Crossing over in Prophase I
Random assortment of homologous chromosomes in Metaphase I, leading
to..
Random separation of paternal/maternal chromatids during anaphase I
__________ __________ can be done to identify carriers and affected individuals
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Genetic screening
, How do eukaryotic cells divide?
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Mitosis - division of somatic cells
Environmental pressures can initiate cell-signaling pathways that trigger changes in
gene expression. These changes can lead to an altered ________ .
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phenotype only
The most common heritable change in autosome number in people is ________ .
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an extra chromosome 21
A ________ allele masks the effect of a ________ allele paired with it in a ________ individual.
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dominant; recessive; heterozygous
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Male
Circle on pedigree indicates what?
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Female
In a pedigree chart, a darkened square demonstrates a ________ .
,Give this one a try later!
a diseased/affected male
__________ __________ do not respond normally to the body's control mechanisms and form
tumors
Give this one a try later!
Cancer cells
A heterozygous condition in which both alleles at a gene locus are partially
expressed and which often produces an intermediate phenotype.
Give this one a try later!
Incomplete dominance
Two genes of each pair of homologous chromosomes are separated from each other
during _________, so they end up in different gametes
Give this one a try later!
Meiosis
Cell division results in genetically __________ __________ __________
,Give this one a try later!
Identical daughter cells
A __________ __________ occurs when alleles are identical for a trait
Give this one a try later!
Homozygous conditon
How does variation among traits get introduced in a species during Meiosis?
Give this one a try later!
Crossing over in Prophase I
Random assortment of homologous chromosomes in Metaphase I, leading
to..
Random separation of paternal/maternal chromatids during anaphase I
__________ __________ can be done to identify carriers and affected individuals
Give this one a try later!
Genetic screening
, How do eukaryotic cells divide?
Give this one a try later!
Mitosis - division of somatic cells
Environmental pressures can initiate cell-signaling pathways that trigger changes in
gene expression. These changes can lead to an altered ________ .
Give this one a try later!
phenotype only
The most common heritable change in autosome number in people is ________ .
Give this one a try later!
an extra chromosome 21
A ________ allele masks the effect of a ________ allele paired with it in a ________ individual.
Give this one a try later!
dominant; recessive; heterozygous
