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2 years ago

25 POINTS!!! PLS ANSWER CORRECTLY!!!!

Biology

1 answer:

madam [21]2 years ago

4 0

Answer:

probably saturn and uranus, since are both giants.

but in the choices the most in common is venus and mercury so the answer is b.

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People with lactose intolerance do not have enough ________.

Mariulka [41]

B. Lactase

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3 years ago

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30 POINTS!!! PLZ HELP

OLEGan [10]

Answer:

Option "A" might be the correct answer

Explanation:

there are some of those viruses where it can be quite potent. Some viruses, such as the rhinoviruses, seldom cause serious illness. But others, such as parainfluenza and respiratory syncytial virus, can lead to severe lung infections in young children.

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3 years ago

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An amateur horticulturalist breeds tulips in the hopes of obtaining a flower with unique and desirable traits. After several gen

Whitepunk [10]

Horticulturalist’s best option is clone the desired tulip so there will be no genetic variations.

Explanation:

Cloning is a process by which replica of organism is made without having any genetically variations. It is done carefully to avoid any variations in the office bring that may be related to physical or genetic structure.

The process of cloning should be done under the supervision of expert to avoid any error which could lead to the variation in genetic structure. It is very necessary for the amateur horticulturalist who desires to have dual apps without any genetic variation to perform cloning.

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3 years ago

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A dominant allele masks/hides the effect of a recessive allele.

valkas [14]

Answer: True

Explanation: If you have a dominant allele it will show in the phenotype of the organism. To show a recessive allele you need a recessive pair consisting of only recessive alleles

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5 0

3 years ago

Please answer 5&6. Thank you.

erastovalidia [21]

Answer:

5. The correct answer would be an option A. ova

Note: I assume that all the samples are of human origin.

DNA (deoxyribonucleic acid) content of somatic cells of humans consists of 46 chromosomes or 23 pairs of chromosomes. Gametes (sperm or ova) are haploid cells produced by the process of meiosis and contain half the number of chromosomes found in parent cell. Hence, they contain 23 chromosomes.

6. The correct answer would be an option J.

Sperm formation or spermatogenesis is the process by which spermatozoa (haploid gamete) is produced from germ cell with the help of meiotic division.

Meiosis results in the formation of four haploid (n) cells from single diploid (2n) parent cell. Here, 2n is given as 8 so, n would be equal to 4.

Meiosis I results in the formation of two secondary spermatocyte cells (both haploid or 4 chromosomes in this case) from single primary spermatocyte (diploid or 8 chromosome in this case).

Both the secondary spermatocytes undergo meiosis II to produce 4 spermatids (each haploid or 4 chromosome in this case). Spermatids differentiate and mature into spermatozoa.

3 0

3 years ago