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A heterozygous plant (Ss) is crossed with a plant homozygous dominant (SS) for smooth petals. S is dominant for smooth petals, and s is recessive for wrinkled petals. What will MOST LIKELY be the petal texture of the first generation of offspring?
Organisms inherit two copies of each gene, but donate only one copy to each gamete.
carrier
100%
ST and St
alleles of a gene separate from each other during meiosis.
Allele pairs separate independently of each other during meiosis.
All petals in the offspring will be smooth.
WW and ww
Which sentence BEST expresses a main idea stated in Mendel's law of segregation?
Organisms inherit two copies of each gene, but donate only one copy to each gamete.
carrier
100%
ST and St
alleles of a gene separate from each other during meiosis.
Allele pairs separate independently of each other during meiosis.
All petals in the offspring will be smooth.
WW and ww
Having detached earlobes is a dominant trait, while having attached ear lobes is a recessive trait. If one parent is homozygous dominant and the other is heterozygous, what percentage of the offspring will have detached earlobes?
Organisms inherit two copies of each gene, but donate only one copy to each gamete.
carrier
100%
ST and St
alleles of a gene separate from each other during meiosis.
Allele pairs separate independently of each other during meiosis.
All petals in the offspring will be smooth.
WW and ww
The law of segregation states that
Organisms inherit two copies of each gene, but donate only one copy to each gamete.
carrier
100%
ST and St
alleles of a gene separate from each other during meiosis.
Allele pairs separate independently of each other during meiosis.
All petals in the offspring will be smooth.
WW and ww
Tay-Sachs disease is inherited in an autosomal recessive manner. Which term is used to describe a person who has the gene for Tay-Sachs, but does not have the disease?
Organisms inherit two copies of each gene, but donate only one copy to each gamete.
carrier
100%
ST and St
alleles of a gene separate from each other during meiosis.
Allele pairs separate independently of each other during meiosis.
All petals in the offspring will be smooth.
WW and ww
The genotype of a female pea plant is SSTt. Which combinations of alleles could be present in gametes produced by this plant?
Organisms inherit two copies of each gene, but donate only one copy to each gamete.
carrier
100%
ST and St
alleles of a gene separate from each other during meiosis.
Allele pairs separate independently of each other during meiosis.
All petals in the offspring will be smooth.
WW and ww
What did Mendel state in his law of independent assortment?
Organisms inherit two copies of each gene, but donate only one copy to each gamete.
carrier
100%
ST and St
alleles of a gene separate from each other during meiosis.
Allele pairs separate independently of each other during meiosis.
All petals in the offspring will be smooth.
WW and ww
Having a widow's peak is the dominant trait (W), while lacking a widow's peak is the recessive trait (w). If 100% of the offspring are heterozygous, what are the genotypes of the parents?
Organisms inherit two copies of each gene, but donate only one copy to each gamete.
carrier
100%
ST and St
alleles of a gene separate from each other during meiosis.
Allele pairs separate independently of each other during meiosis.
All petals in the offspring will be smooth.
WW and ww
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