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Nookie1986 [14]
2 years ago
11

3. A TT (tall) plant is crossed with a tt (short plant). What percentage of the offspring will be tall

Biology
1 answer:
Evgesh-ka [11]2 years ago
5 0

A heterozygous species contain one dominant and one recessive allele. A cross between a purebred tall and short plant will result in 100% tall offspring. Thus, option d is correct.

<h3>What is a genetic cross?</h3>

A genetic cross is a representation of the gametes produced by the two parent species that will undergo the process of fertilization to produce offspring. The crosses can include the heterozygous and purebred species.

The TT allele is a purebred allele that codes for tallness, whereas the tt allele is a purebred recessive allele that codes for shortness. The cross between TT and tt is attached to the image below.

From the cross, it can be said that all the offspring produced are heterozygous tall as there are no offspring with purebred dominant and recessive alleles.

Therefore, option D. 100% of offspring are tall.

Learn more about genetic cross here:

brainly.com/question/7308651

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Question: Concentration Of NAD+ (umol/L) 4 8 12 16 20 Concentration Of Lactic Acid (mmol/L) OHHHHHHHHHHHHHHHHHHHH 4 8 12 16 20 Time (weeks) Figure 2. The Concentration Of NAD* (top) And Lactic Acid (bottom) In The Blood Of A Representative Treated Individual (a) Describe The Pattern Of Inheritance That Is Most Likely Associated With A Mutation In The MT-ND5 Gene. ...

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Concentration of NAD+ (umol/L) 4 8 12 16 20 Concentration of Lactic Acid (mmol/L) OHHHHHHHHHHHHHHHHHHHH 4 8 12 16 20 Time (we

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Concentration of NAD+ (umol/L) 4 8 12 16 20 Concentration of Lactic Acid (mmol/L) OHHHHHHHHHHHHHHHHHHHH 4 8 12 16 20 Time (weeks) Figure 2. The concentration of NAD* (top) and lactic acid (bottom) in the blood of a representative treated individual (a) Describe the pattern of inheritance that is most likely associated with a mutation in the MT-ND5 gene. Explain why individuals are not typically heterozygous with respect to mitochondrial genes. (b) Identify a dependent variable measured in the researcher's experiment. Identify one control that the researcher could use to improve the validity of the experiment. Justify the researcher analyzing blood samples at many intermediate time points instead of at only the beginning and the end of the 20-week period. (c) Describe the relationship between the concentration of NAD in the blood and the concentration of lactic acid in the blood during the first 5 weeks of treatment with the vitamin. Based on Figure 2, calculate the average rate of change in blood NAD concentrations from week 5 to week 17. (d) The researcher performed a follow-up experiment to measure the rate of oxygen consumption by muscle and brain cells. Predict the effect of the MT-ND5 mutation on the rate of oxygen consumption in muscleand brain cells. Justify your prediction. The researcher had hypothesized that the addition of the vitamin that is similar in structure to NADH would increase the activity of the mutated NADH dehydrogenase enzyme in individuals

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