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Mrs. Bage started a pea farm, but only planted green peas. When these plants were crossed, they noticed that the plants produced green, yellow, and white peas during the first growing season. What is MOST LIKELY the reason for the difference?
WW and WW
Three-fourths of the petals in the offspring will be smooth, and one-fourth will be wrinkled.
Sexual reproduction produced new combinations of alleles.
Organisms inherit two copies of each gene, but donate only one copy to each gamete.
Allele pairs separate independently of each other during meiosis.
50% yellow eyes; 50% white eyes 50% long wings; 50% short wings
BbFf
50%
In order to produce gametes with the genotypes BF, Bf, bF, and bf, what MUST the genotype of the parent be?
WW and WW
Three-fourths of the petals in the offspring will be smooth, and one-fourth will be wrinkled.
Sexual reproduction produced new combinations of alleles.
Organisms inherit two copies of each gene, but donate only one copy to each gamete.
Allele pairs separate independently of each other during meiosis.
50% yellow eyes; 50% white eyes 50% long wings; 50% short wings
BbFf
50%
Mendel conducted many different dihybrid crosses of pea plants. He found very similar phenotypic ratios in each second generation, regardless of the combinations of traits. Based on these results, what did Mendel state in his law of independent as
WW and WW
Three-fourths of the petals in the offspring will be smooth, and one-fourth will be wrinkled.
Sexual reproduction produced new combinations of alleles.
Organisms inherit two copies of each gene, but donate only one copy to each gamete.
Allele pairs separate independently of each other during meiosis.
50% yellow eyes; 50% white eyes 50% long wings; 50% short wings
BbFf
50%
Which sentence BEST expresses a main idea stated in Mendel's law of segregation?
WW and WW
Three-fourths of the petals in the offspring will be smooth, and one-fourth will be wrinkled.
Sexual reproduction produced new combinations of alleles.
Organisms inherit two copies of each gene, but donate only one copy to each gamete.
Allele pairs separate independently of each other during meiosis.
50% yellow eyes; 50% white eyes 50% long wings; 50% short wings
BbFf
50%
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?
WW and WW
Three-fourths of the petals in the offspring will be smooth, and one-fourth will be wrinkled.
Sexual reproduction produced new combinations of alleles.
Organisms inherit two copies of each gene, but donate only one copy to each gamete.
Allele pairs separate independently of each other during meiosis.
50% yellow eyes; 50% white eyes 50% long wings; 50% short wings
BbFf
50%
A fruit fly is heterozygous for both eye color and wing length (EeWw). E is dominant for yellow eyes. e is recessive for white eyes. W is dominant for long wings. w is recessive for short wings. What would be the distribution of gametes?
WW and WW
Three-fourths of the petals in the offspring will be smooth, and one-fourth will be wrinkled.
Sexual reproduction produced new combinations of alleles.
Organisms inherit two copies of each gene, but donate only one copy to each gamete.
Allele pairs separate independently of each other during meiosis.
50% yellow eyes; 50% white eyes 50% long wings; 50% short wings
BbFf
50%
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?
WW and WW
Three-fourths of the petals in the offspring will be smooth, and one-fourth will be wrinkled.
Sexual reproduction produced new combinations of alleles.
Organisms inherit two copies of each gene, but donate only one copy to each gamete.
Allele pairs separate independently of each other during meiosis.
50% yellow eyes; 50% white eyes 50% long wings; 50% short wings
BbFf
50%
Researchers crossed a heterozygous tall pea plant (Tt) with a homozygous short pea plant (tt). What is the probability that this cross will produce homozygous short (tt) offspring?
WW and WW
Three-fourths of the petals in the offspring will be smooth, and one-fourth will be wrinkled.
Sexual reproduction produced new combinations of alleles.
Organisms inherit two copies of each gene, but donate only one copy to each gamete.
Allele pairs separate independently of each other during meiosis.
50% yellow eyes; 50% white eyes 50% long wings; 50% short wings
BbFf
50%
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