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3 years ago

When does photosynthesis occur during the day?

1 answer:

5 0

Photosynthesis doesn't occur at a specific time of day. Photosynthesis occurres constantly, and at night it uses up exes* energy in order to stay alive

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The two genes f and g, code for body size and aggressiveness, respectively. The F allele is dominant over f, and codes for a lar

mrs_skeptik [129]

Answer:

The correct answer is option C.

Explanation:

As it is given that, a Mendelian cross is performed between two parents resulted by cross the parents. This suggests that the parents or P generation has zero recombination hence the genotype of Parents would be AA and aa in nature. Therefore, all the F1 generation offspring were Aa in nature. The selfing of the F1 offspring will be:

A a

A AA Aa

a Aa aa

Genotype: AA: Aa: aa :: 1:2:1

Phenotype: Dominant: recessive :: 3:1

4 0

3 years ago

In the spotted tulip, white flowers are dominant to yellow (gene Y), and axial flowers are dominant terminal flowers (gene T). E

aleksklad [387]

Answer:

9/16 A_B_ White colour, axial flower

3/16 A_bb White colour, terminal flower

3/16 aaB_ Yellow colour, axial flower

1/16 aabb Yellow colour, terminal flower

Explanation:

Let the flower colour allele be represented by A and the flower position by B. The dominant white colour would be A while the alternate version (the yellow colour) would be a. Also, the dominant axial flower position would be B while the alternate terminal position would be b.

The Punnet's square result of crossing two plants that are heterozygous for both traits is as in the attached image.

AaBb x AaBb

Possible Offspring

9/16 A_B_ White colour, axial flower

3/16 A_bb White colour, terminal flower

3/16 aaB_ Yellow colour, axial flower

1/16 aabb Yellow colour, terminal flower

3 0

3 years ago

Survival of at least a few members of a population after a major environmental change is most dependent on

Naddika [18.5K]

Survival is dependent upon procreation

7 0

3 years ago

One way to understand how early environment influences behaviors in similar species is through the "cross-fostering" experimenta

Kisachek [45]

Answer:

.B) You would place newborn curly-whiskered mud rats with bald mud rat parents and place newborn bald mud rats with curly-whiskered mud rat parents. Finally, let some mud rats of both species be raised by their own species. Then you would compare the outcomes.

3 0

3 years ago

Why is the menstrual cycle an important adaptation for reproduction in humans?

raketka [301]

The menstrual cycle is practically controlled by a system of hormones that is necessary for reproduction, and when the hormone reaches a heightened level, something called estradiol is made, then the stimulation of the ovaries by a luteinizing hormone.

Once that hormone begins developing, the ovaries make an egg that quickly becomes an ovum. The ovary then releases one egg or two during ovulation. The endometrium (the part that sheds its own cells for the menstruation) peaks after ovulation and changes the lining of the uterus to prepare for the hectic process of pregnancy and child labor.

Hope that was helpful.

5 0

3 years ago