Which Of The Following Pairs Of Genotypes Result In The Same Phenotype

Which Of The Following Pairs Of Genotypes Result In The Same Phenotype. Also indicate whether the homozygous pairs are dominant or recessive (*note heterozygous pairs don’t need either dominant nor recessive labels.) a. An individual with a dominant phenotype is crossed with an individual with a recessive phenotype.

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The term “homozygous” is used to describe the pairs “aa” and “aa” because the alleles in the pair are the same, i.e. Indicate which pairs are heterozygous and which are homozygous. Aattrr = 1/4 x 1/4 x 1/2 = 1/32.

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For genes that show complete dominance, both homozygous dominant (aa) and heterozygous (aa) genotypes will result in the dominant phenotype. If r is dominant to r, then the offspring of the cross of rr with rr will.

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The term “homozygous” is used to describe the pairs “aa” and “aa” because the alleles in the pair are the same, i.e. Each parent provides its offspring with one allele if every gene, so that the offspring inherits a pair if alleles for every gene.

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When the albino was crossed with a second one, 7 blacks and 5 albinos were obtained. Therefore, the genotypes aacc, aacc, and aacc all produce the same albino phenotype.

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Use your knowledge of genotype and phenotype to explain the data (4 marks). If r is dominant to r, then the offspring of the cross of rr with rr will.

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In contrast, the term “heterozygous” is used to describe the allelic pair, “aa”. I b i b and i b c.

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Both dominant or both recessive. If r is dominant to r, then the offspring of the cross of rr with rr will.

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Organisms can have the same phenotype when (1) they both have dominant alleles; I b i b and i a i d.

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A) homozygous dominant b) heterozygous c) homozygous recessive d) either homozygous dominant or heterozygous The genotype is represented by letter combinations, such as tt, tt, and tt.

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A cross between heterozygotes for both genes (aacc x aacc) would generate offspring with a phenotypic ratio of 9 agouti:3 black:4 albino (figure 8.18). (c) have the same genotype as the rr parent.

Aattrr = 1/2 X 1/2 X 1/2 = 1/8.

When an organism has two of the same alleles for a specific gene, it is homozygous (homo means “same”) for that gene. The genotype for tooth decay is the same for all the twin pairs as they are all mz/identical, so for each pair their teeth would be expected to decay in exactly the same way This table shows four different phenotypes with the following fractional ratios:

The Two Alleles Of A Pair Separate In Gamete Formation.

Both dominant or both recessive. Five out of nine offspring show the dominant phenotype. In the following diagram, 3 pairs of rh alleles (c & c, d & d, e & e) occur at 3 different loci on homologous chromosome pair #1.

I B I And B I B Ii O D O B O.

The former two genotypes would result in plants with purple flowers and yellow peas, while the latter two genotypes would result in plants with white flowers with yellow peas, for a 1:1 ratio of each phenotype. Aattrr = 1/4 x 1/4 x 1/2 = 1/32. For example tt or (2) are hybrids;

All Of The Choices Are Correct.

Fecundity, both having blood type b, have 12 children, 3/4 of whom are The masking of recessive alleles can result in organisms with the same phenotype but different genotypes. D) homozygous for axial and tall, heterozygous for seed shape.

The Homozygous Dominant And The Heterozygous Genotypes Show The Same Phenotypes.

Among their offspring, 15 chicks are gray, 6 are black, and 8 are white. Use your knowledge of genotype and phenotype to explain the data (4 marks). Bb = __homozygous dominant__ b.