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inna [77]
3 years ago
10

The following pedigree shows the inheritance of a dominant trait. What is the chance that the offspring of the following matings

will show the trait: (a) III-1 III-3; (b) III-2 III-4

Biology
1 answer:
maria [59]3 years ago
5 0

Answer:

ANS: (a) zero; (b) 1/2

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In a hypothetical population of plants, flower color is determined by a single gene with two alleles. In a population of 500 pla
blondinia [14]

Answer:

In the F1 generation

RR = 0%

Rr = 50% (or 0.5)

rr = 50% (or 0.5)

Explanation:

A pink flowering plant has the genotype Rr. It is heterozygous for the allele. The alleles for this gene appears to show incomplete dominance, as the heterozygous phenotype is a blend of the two homozygous genotypes.

A white flowering plant has the genotype rr. It is homozyogous for the white allele

A punnet square of the cross is shown.

The resulting punnet square shows that only Rr and rr genotypes are possible, at a ratio of 50:50 (or 1:1). Therefore, the genotype frequency of Rr is 50%, and rr is 50% in the F1 generation. This can also be written as 0.5. It is not possible to get a red plant, as the genotype RR can not come from this cross

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8 0
3 years ago
What is representative sample
Rina8888 [55]

Answer: A group that closet matches characteristics

Explanation:

A representative sample is a group that closely matches the characteristics of its population as a whole. In other words, the sample is a fairly accurate reflection of the population from which the sample is drawn.

4 0
3 years ago
Compare and contrast the two prokaryotic kingdoms. What is one major difference that is apparent?
Nataly_w [17]

Answer: B)

The chemical composition of the cell walls of each in the two kingdoms varies.

Explanation: Usatestprep

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How does the body make use of amino acids from proteins?
neonofarm [45]
A large proportion of our cells, muscles and tissue is made up of amino acids, meaning they carry out many important bodily functions, such as giving cells their structure.
8 0
3 years ago
If an original cell has the genetic makeup AaSs. What would the genetic makeup of the daughter cells be?
Andrej [43]

<span>Due to DNA and Organelle Duplication that takes place during Interphase within a cell, during the splitting of a cell in Mitosis, the two daughter cells should have the exact same genetic and physical composition as the Parent Cell. so the daughter genetic make u p is also AaSs</span>

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